锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产成人综合亚洲,亚洲人成人网毛片在线播放,亚洲精品成人片在线观看精品字幕http://m.tkk7.com/iLinux/category/50302.htmlJAVA鐨勫ぉ絀?/description>zh-cnWed, 07 Dec 2011 06:14:07 GMTWed, 07 Dec 2011 06:14:07 GMT60鏁版嵁搴撲簨鍔¢殧紱葷駭鍒笌閿?/title><link>http://m.tkk7.com/iLinux/archive/2011/12/07/365749.html</link><dc:creator>iLinux</dc:creator><author>iLinux</author><pubDate>Wed, 07 Dec 2011 06:11:00 GMT</pubDate><guid>http://m.tkk7.com/iLinux/archive/2011/12/07/365749.html</guid><wfw:comment>http://m.tkk7.com/iLinux/comments/365749.html</wfw:comment><comments>http://m.tkk7.com/iLinux/archive/2011/12/07/365749.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/iLinux/comments/commentRss/365749.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/iLinux/services/trackbacks/365749.html</trackback:ping><description><![CDATA[<div><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">涓銆佷簨鍔$殑4涓熀鏈壒寰?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    褰撲簨鍔″鐞嗙郴緇熷垱寤轟簨鍔℃椂錛屽皢紜繚浜嬪姟鏈夋煇浜涚壒鎬с傜粍浠剁殑寮鍙戣呬滑鍋囪浜嬪姟鐨勭壒鎬у簲璇ユ槸涓浜涗笉闇瑕佷粬浠翰鑷鐞嗙殑鐗規с傝繖浜涚壒鎬хО涓篈CID鐗規с?ACID灝辨槸錛氬師瀛愭?Atomicity )銆佷竴鑷存? Consistency )銆侀殧紱繪ф垨鐙珛鎬? Isolation)鍜屾寔涔呮?Durabilily)銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1銆佸師瀛愭?(Atomicity ) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    鍘熷瓙鎬у睘鎬х敤浜庢爣璇嗕簨鍔℃槸鍚﹀畬鍏ㄥ湴瀹屾垚錛屼竴涓簨鍔$殑浠諱綍鏇存柊瑕佸湪緋葷粺涓婂畬鍏ㄥ畬鎴愶紝濡傛灉鐢變簬鏌愮鍘熷洜鍑洪敊錛屼簨鍔′笉鑳藉畬鎴愬畠鐨勫叏閮ㄤ換鍔★紝緋葷粺灝嗚繑鍥炲埌浜嬪姟寮濮嬪墠鐨勭姸鎬併?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />璁╂垜浠啀鐪嬩竴涓嬮摱琛岃漿甯愮殑渚嬪瓙銆傚鏋滃湪杞笎鐨勮繃紼嬩腑鍑虹幇閿欒錛屾暣涓簨鍔″皢浼氬洖婊氥傚彧鏈夊綋浜嬪姟涓殑鎵鏈夐儴鍒嗛兘鎴愬姛鎵ц浜嗭紝鎵嶅皢浜嬪姟鍐欏叆紓佺洏騫朵嬌鍙樺寲 姘鎬箙鍖栥備負浜嗘彁渚涘洖婊氭垨鑰呮挙娑堟湭鎻愪氦鐨勫彉鍖栫殑鑳藉姏錛岃澶氭暟鎹簮閲囩敤鏃ュ織鏈哄埗銆備緥濡傦紝SQL Server浣跨敤涓涓鍐欎簨鍔℃棩蹇楋紝鍦ㄥ皢鏁版嵁搴旂敤浜?鎴栨彁浜ゅ埌)瀹為檯鏁版嵁欏甸潰鍓嶏紝鍏堝啓鍦ㄤ簨鍔℃棩蹇椾笂銆備絾鏄紝鍏朵粬涓浜涙暟鎹簮涓嶆槸鍏崇郴鍨嬫暟鎹簱綆$悊緋葷粺 (RDBMS)錛屽畠浠鐞嗘湭鎻愪氦浜嬪姟鐨勬柟寮忓畬鍏ㄤ笉鍚屻傚彧瑕佷簨鍔″洖婊氭椂錛屾暟鎹簮鍙互鎾ゆ秷鎵鏈夋湭鎻愪氦鐨勬敼鍙橈紝閭d箞榪欑鎶鏈簲璇ュ彲鐢ㄤ簬綆$悊浜嬪姟銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />2銆佷竴鑷存? Consistency ) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    浜嬪姟鍦ㄧ郴緇熷畬鏁存т腑瀹炴柦涓鑷存э紝榪欓氳繃淇濊瘉緋葷粺鐨勪換浣曚簨鍔℃渶鍚庨兘澶勪簬鏈夋晥鐘舵佹潵瀹炵幇銆傚鏋滀簨鍔℃垚鍔熷湴瀹屾垚錛岄偅涔堢郴緇熶腑鎵鏈夊彉鍖栧皢姝g‘鍦板簲鐢紝緋葷粺澶勪簬鏈夋晥鐘舵併傚鏋滃湪浜嬪姟涓嚭鐜伴敊璇紝閭d箞緋葷粺涓殑鎵鏈夊彉鍖栧皢鑷姩鍦板洖婊氾紝緋葷粺榪斿洖鍒板師濮嬬姸鎬併傚洜涓轟簨鍔″紑 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />濮嬫椂緋葷粺澶勪簬涓鑷寸姸鎬侊紝鎵浠ョ幇鍦ㄧ郴緇熶粛鐒跺浜庝竴鑷寸姸鎬併?鍐嶈鎴戜滑鍥炲ご鐪嬩竴涓嬮摱琛岃漿甯愮殑渚嬪瓙錛屽湪甯愭埛杞崲鍜岃祫閲戣漿縐誨墠錛屽笎鎴峰浜庢湁鏁堢姸鎬併傚鏋滀簨鍔℃垚鍔熷湴瀹屾垚錛屽茍涓旀彁浜や簨鍔★紝鍒欏笎鎴峰浜庢柊鐨勬湁鏁堢殑鐘舵併傚鏋滀簨鍔″嚭閿欙紝緇堟鍚庯紝甯愭埛榪斿洖鍒板師鍏堢殑鏈夋晥鐘舵併?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />璁頒綇錛屼簨鍔′笉璐熻矗瀹炴柦鏁版嵁瀹屾暣鎬э紝鑰屼粎浠呰礋璐e湪浜嬪姟鎻愪氦鎴栫粓姝互鍚庣‘淇濇暟鎹繑鍥炲埌涓鑷寸姸鎬併傜悊瑙f暟鎹畬鏁存ц鍒欏茍鍐欎唬鐮佸疄鐜板畬鏁存х殑閲嶄換閫氬父钀藉湪 寮鍙戣呰偐涓婏紝浠栦滑鏍規嵁涓氬姟瑕佹眰榪涜璁捐銆?褰撹澶氱敤鎴峰悓鏃朵嬌鐢ㄥ拰淇敼鍚屾牱鐨勬暟鎹椂錛屼簨鍔″繀欏諱繚鎸佸叾鏁版嵁鐨勫畬鏁存у拰涓鑷存с傚洜姝ゆ垜浠繘涓姝ョ爺絀禔 C I D鐗規т腑鐨勪笅涓涓壒鎬э細闅旂鎬с?nbsp;<br style="margin-top: 0px; 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padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />寤虹珛鍦ㄩ敊璇殑鏁版嵁涔嬩笂錛屽洜涓烘垜浠殑浜嬪姟鍙兘緇堟銆傝繖灝辨槸璇存槑浜嗕負浠涔堜簨鍔′駭鐢熺殑鍙樺寲錛岀洿鍒頒簨鍔″畬鎴愶紝鎵嶅緋葷粺鐨勫叾浠栭儴鍒嗗彲瑙併傞殧紱繪т笉浠呬粎淇?璇佸涓簨鍔′笉鑳藉悓鏃朵慨鏀圭浉鍚屾暟鎹紝鑰屼笖鑳藉淇濊瘉浜嬪姟鎿嶄綔浜х敓鐨勫彉鍖栫洿鍒板彉鍖栬鎻愪氦鎴栫粓姝㈡椂鎵嶈兘瀵瑰彟涓涓簨鍔″彲瑙侊紝騫跺彂鐨勪簨鍔″郊姝や箣闂存鏃犲獎鍝嶃傝繖灝辨剰鍛崇潃 鎵鏈夎姹備慨鏀規垨璇誨彇鐨勬暟鎹凡緇忚閿佸畾鍦ㄤ簨鍔′腑錛岀洿鍒頒簨鍔″畬鎴愭墠鑳介噴鏀俱傚ぇ澶氭暟鏁版嵁搴擄紝渚嬪SQL Server浠ュ強鍏朵粬鐨凴DBMS錛岄氳繃浣跨敤閿佸畾鏉ュ疄鐜伴殧紱伙紝浜嬪姟涓秹鍙婄殑鍚勪釜鏁版嵁欏規垨鏁版嵁闆嗕嬌鐢ㄩ攣瀹氭潵闃叉騫跺彂璁塊棶銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />4銆佹寔涔呮?(Durabilily) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    鎸佷箙鎬ф剰鍛崇潃涓鏃︿簨鍔℃墽琛屾垚鍔燂紝鍦ㄧ郴緇熶腑浜х敓鐨勬墍鏈夊彉鍖栧皢鏄案涔呯殑銆傚簲璇ュ瓨鍦ㄤ竴浜涙鏌ョ偣闃叉鍦ㄧ郴緇熷け璐ユ椂涓㈠け淇℃伅銆傜敋鑷崇‖浠舵湰韜け璐ワ紝緋葷粺鐨勭姸鎬佷粛鑳介氳繃鍦ㄦ棩蹇椾腑璁板綍浜嬪姟瀹屾垚鐨勪換鍔¤繘琛岄噸寤恒傛寔涔呮х殑姒傚康鍏佽寮鍙戣呰涓轟笉綆$郴緇熶互鍚庡彂鐢熶簡浠涔堝彉鍖栵紝瀹?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鎴愮殑浜嬪姟鏄郴緇熸案涔呯殑閮ㄥ垎銆?鍦ㄩ摱琛岀殑渚嬪瓙涓紝璧勯噾鐨勮漿縐繪槸姘鎬箙鐨勶紝涓鐩翠繚鎸佸湪緋葷粺涓傝繖鍚搗鏉ヤ技涔庣畝鍗曪紝浣嗚繖錛屼緷璧栦簬灝嗘暟鎹啓鍏ョ鐩橈紝鐗瑰埆闇瑕佹寚鍑虹殑鏄紝鍦ㄤ簨鍔″畬鍏ㄥ畬鎴愬茍鎻愪氦鍚庢墠鍐?鍏ョ鐩樼殑銆?鎵鏈夎繖浜涗簨鍔$壒鎬э紝涓嶇鍏跺唴閮ㄥ浣曞叧鑱旓紝浠呬粎鏄繚璇佷粠浜嬪姟寮濮嬪埌浜嬪姟瀹屾垚錛屼笉綆′簨鍔℃垚鍔熶笌鍚︼紝閮借兘姝g‘鍦扮鐞嗕簨鍔℃秹鍙婄殑鏁版嵁 錛屽綋浜嬪姟澶勭悊緋葷粺鍒涘緩浜嬪姟 鏃訛紝灝嗙‘淇濅簨鍔℃湁鏌愪簺鐗規с傜粍浠剁殑寮鍙戣呬滑鍋囪浜嬪姟鐨勭壒鎬у簲璇ユ槸涓浜涗笉闇瑕佷粬浠翰鑷鐞嗙殑鐗規с?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浜屻佷負浠涔堥渶瑕佸浜嬪姟騫跺彂鎺у埗 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    濡傛灉涓嶅浜嬪姟榪涜騫跺彂鎺у埗錛屾垜浠湅鐪嬫暟鎹簱騫跺彂鎿嶄綔鏄細鏈夐偅浜涘紓甯告儏褰?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1銆佷涪澶辨洿鏂?Lost update) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    涓や釜浜嬪姟閮藉悓鏃舵洿鏂頒竴琛屾暟鎹紝浣嗘槸絎簩涓簨鍔″嵈涓斿け璐ラ鍑猴紝瀵艱嚧瀵規暟鎹殑涓や釜淇敼閮藉け鏁堜簡銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />2銆佽剰璇?Dirty Reads) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    涓涓簨鍔″紑濮嬭鍙栦簡鏌愯鏁版嵁錛屼絾鏄彟澶栦竴涓簨鍔″凡緇忔洿鏂頒簡姝ゆ暟鎹絾娌℃湁鑳藉鍙婃椂鎻愪氦銆傝繖鏄浉褰撳嵄闄╃殑錛屽洜涓哄緢鍙兘鎵鏈夌殑鎿嶄綔閮借鍥炴粴銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />3銆侀潪閲嶅璇?Non-repeatable Reads) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />   涓涓簨鍔″鍚屼竴琛屾暟鎹噸澶嶈鍙栦袱嬈★紝浣嗘槸鍗村緱鍒頒簡涓嶅悓鐨勭粨鏋溿傚悓涓鏌ヨ鍦ㄥ悓涓浜嬪姟涓嬈¤繘琛岋紝鐢變簬鍏朵粬鎻愪氦浜嬪姟鎵鍋氱殑淇敼鎴栧垹闄わ紝姣忔榪斿洖涓嶅悓鐨勭粨鏋滈泦錛屾鏃跺彂鐢熼潪閲嶅璇匯?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />4銆佷簩綾諱涪澶辨洿鏂?Second lost updates problem) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    鏃犳硶閲嶅璇誨彇鐨勭壒渚嬨傛湁涓や釜騫跺彂浜嬪姟鍚屾椂璇誨彇鍚屼竴琛屾暟鎹紝鐒跺悗鍏朵腑涓涓瀹冭繘琛屼慨鏀規彁浜わ紝鑰屽彟涓涓篃榪涜浜嗕慨鏀規彁浜ゃ傝繖灝變細閫犳垚絎竴嬈″啓鎿嶄綔澶辨晥銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />5銆佸夠鍍忚(Phantom Reads) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    浜嬪姟鍦ㄦ搷浣滆繃紼嬩腑榪涜涓ゆ鏌ヨ錛岀浜屾鏌ヨ鐨勭粨鏋滃寘鍚簡絎竴嬈℃煡 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />璇腑鏈嚭鐜扮殑鏁版嵁錛堣繖閲屽茍涓嶈姹備袱嬈℃煡璇㈢殑SQL璇彞鐩稿悓錛夈傝繖鏄洜涓哄湪涓ゆ鏌ヨ榪囩▼涓湁鍙﹀涓涓簨鍔℃彃鍏ユ暟鎹犳垚鐨勩?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />涓夈佹暟鎹簱鐨勯殧紱葷駭鍒?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />   涓轟簡鍏奸【騫跺彂鏁堢巼鍜屽紓甯告帶鍒訛紝鍦ㄦ爣鍑哠QL瑙勮寖涓紝瀹氫箟浜?涓簨鍔¢殧紱葷駭鍒紝錛圤RACLE鍜孲QLSERER瀵規爣鍑嗛殧紱葷駭鍒湁涓嶅悓鐨勫疄鐜?錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1銆佹湭鎻愪氦璇?Read Uncommitted) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />    鐩磋瘧灝辨槸"璇繪湭鎻愪氦",鎰忔濆氨鏄嵆浣夸竴涓洿鏂拌鍙ユ病鏈夋彁浜?浣嗘槸鍒?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鐨勪簨鍔″彲浠ヨ鍒拌繖涓敼鍙?榪欐槸寰堜笉瀹夊叏鐨勩傚厑璁鎬換鍔¤鍙栨暟鎹簱涓湭鎻愪氦鐨勬暟鎹洿鏀癸紝涔熺О涓鴻剰璇匯?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />2銆佹彁浜よ(Read Committed) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />   鐩磋瘧灝辨槸"璇繪彁浜?,鍙槻姝㈣剰璇伙紝鎰忔濆氨鏄鍙ユ彁浜や互鍚庡嵆鎵ц浜咰OMMIT浠ュ悗 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鍒殑浜嬪姟灝辮兘璇誨埌榪欎釜鏀瑰彉. 鍙兘璇誨彇鍒板凡緇忔彁浜ょ殑鏁版嵁銆侽racle絳夊鏁版暟鎹簱榛樿閮芥槸璇ョ駭鍒?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />3銆佸彲閲嶅璇?Repeatable Read)錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />   鐩磋瘧灝辨槸"鍙互閲嶅璇?,榪欐槸璇村湪鍚屼竴涓簨鍔¢噷闈㈠厛鍚庢墽琛屽悓涓涓煡璇㈣鍙ョ殑鏃跺?寰楀埌鐨勭粨鏋滄槸涓鏍風殑.鍦ㄥ悓涓涓簨鍔″唴鐨勬煡璇㈤兘鏄簨鍔″紑濮嬫椂鍒諱竴鑷寸殑錛孖nnoDB榛樿綰у埆銆傚湪SQL鏍囧噯涓紝璇ラ殧紱葷駭鍒秷闄や簡涓嶅彲閲嶅璇伙紝浣嗘槸榪樺瓨鍦ㄥ夠璞¤ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />4銆佷覆琛岃(Serializable) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />   鐩磋瘧灝辨槸"搴忓垪鍖?,鎰忔濇槸璇磋繖涓簨鍔℃墽琛岀殑鏃跺欎笉鍏佽鍒殑浜嬪姟騫跺彂鎵ц. 瀹屽叏涓茶鍖栫殑璇伙紝姣忔璇婚兘闇瑕佽幏寰楄〃綰у叡浜攣錛岃鍐欑浉浜掗兘浼氶樆濉?/p><p style="padding-top: 0px; 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color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; "><tbody style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><tr style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; "><br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " /></td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">LU涓㈠け鏇存柊</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">DR鑴忚</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">NRR闈為噸澶嶈</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">SLU浜岀被涓㈠け鏇存柊</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">PR騫誨儚璇?/td></tr><tr style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">鏈彁浜よ RU</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td></tr><tr style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">鎻愪氦璇?RC</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td></tr><tr style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">鍙噸澶嶈 RR</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">Y</td></tr><tr style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">涓茶璇?S</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td><td style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: #c0c0c0; border-right-color: #c0c0c0; border-bottom-color: #c0c0c0; border-left-color: #c0c0c0; border-collapse: collapse; ">N</td></tr></tbody></table><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; "> </p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; "> </p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">欏轟究涓句竴灝忎緥銆?/p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">MS_SQL: <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />--浜嬪姟涓 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />set transaction isolation level serializable <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />begin tran <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />insert into test values('xxx') <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />--浜嬪姟浜?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />set transaction isolation level read committed <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />begin tran <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />select * from test <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />--浜嬪姟涓?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />set transaction isolation level read uncommitted <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />begin tran <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />select * from test <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鍦ㄦ煡璇㈠垎鏋愬櫒涓墽琛屼簨鍔′竴鍚庯紝鍒嗗埆鎵ц浜嬪姟浜岋紝鍜屼笁銆傜粨鏋滄槸浜嬪姟浜屼細絳夊緟錛岃屼簨鍔′笁鍒欎細鎵ц銆?/p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">ORACLE錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />--浜嬪姟涓 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />set transaction isolation level serializable; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />insert into test values('xxx'); <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />select * from test; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />--浜嬪姟浜?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />set transaction isolation level read committed--ORACLE榛樿綰у埆 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />select * from test <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鎵ц浜嬪姟涓鍚庯紝鎵ц浜嬪姟浜屻傜粨鏋滄槸浜嬪姟浜屽彧璇誨嚭鍘熸湁鐨勬暟鎹紝鏃犺浜嬪姟涓鐨勬彃鍏ユ搷浣溿?/p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">MYSQL <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鏌ョ湅InnoDB緋葷粺綰у埆鐨勪簨鍔¢殧紱葷駭鍒細 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浠ヤ笅涓哄紩鐢ㄧ殑鍐呭錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />mysql> SELECT @@global.tx_isolation; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| @@global.tx_isolation | <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| REPEATABLE-READ銆銆銆| <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1 row in set (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />鏌ョ湅InnoDB浼氳瘽綰у埆鐨勪簨鍔¢殧紱葷駭鍒細 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浠ヤ笅涓哄紩鐢ㄧ殑鍐呭錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />mysql> SELECT @@tx_isolation; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| @@tx_isolation銆| <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| REPEATABLE-READ | <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1 row in set (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />淇敼浜嬪姟闅旂綰у埆錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浠ヤ笅涓哄紩鐢ㄧ殑鍐呭錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> set global transaction isolation level read committed; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 0 rows affected (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> set session transaction isolation level read committed; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 0 rows affected (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />InnoDB鐨勫彲閲嶅璇婚殧紱葷駭鍒拰鍏朵粬鏁版嵁搴撶殑鍙噸澶嶈鏄湁鍖哄埆鐨勶紝涓嶄細閫犳垚騫昏薄璇伙紙phantom read錛夛紝鎵璋撳夠璞¤錛屽氨鏄悓涓涓簨鍔″唴錛屽嬈elect錛屽彲浠ヨ鍙栧埌鍏朵粬session insert騫跺凡緇廲ommit鐨勬暟鎹備笅闈㈡槸涓涓皬鐨勬祴璇曪紝璇佹槑InnoDB鐨勫彲閲嶅璇婚殧紱葷駭鍒笉浼氶犳垚騫昏薄璇匯傛祴璇曟秹鍙婁袱涓猻ession錛屽垎鍒負 session 1鍜宻ession 2錛岄殧紱葷駭鍒兘鏄痳epeateable read錛屽叧闂璦utocommit <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浠ヤ笅涓哄紩鐢ㄧ殑鍐呭錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />mysql> select @@tx_isolation; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| @@tx_isolation銆| <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| REPEATABLE-READ | <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-----------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />1 row in set (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> set autocommit=off; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 0 rows affected (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆session 1 鍒涘緩琛ㄥ茍鎻掑叆嫻嬭瘯鏁版嵁 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> create table test(i int) engine=innodb; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 0 rows affected (0.00 sec)</p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; color: #111111; font-family: verdana, arial; font-size: 13px; line-height: 23px; background-color: #ffffff; ">銆銆mysql> insert into test values(1); <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 1 row affected (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆session 2 鏌ヨ錛屾病鏈夋暟鎹紝姝e父錛宻ession1娌℃湁鎻愪氦錛屼笉鍏佽鑴忚 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> select * from test; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Empty set (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆session 1 鎻愪氦浜嬪姟 <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> commit; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Query OK, 0 rows affected (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆session 2 鏌ヨ錛岃繕鏄病鏈夋暟鎹紝娌℃湁浜х敓騫昏薄璇?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆mysql> select * from test; <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />銆銆Empty set (0.00 sec) <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />浠ヤ笂璇曢獙鐗堟湰錛?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />mysql> select version(); <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-------------------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| version()銆銆銆銆銆銆銆| <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />+-------------------------+ <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />| 5.0.37-community-nt-log | <br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; 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margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />5銆佽繘琛岀紪杈戞搷浣溿?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />6銆佸啓鍏ユ墍榪涜鐨勭紪杈戠粨鏋溿?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />7銆佸亣濡傚啓鍏ユ垚鍔燂紝鍒欐彁浜や簨鍔?瀹屾垚鎿嶄綔銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />8銆佸亣濡傚啓鍏ュけ璐ワ紝鍒欏洖婊氫簨鍔★紝鍙栨秷鎻愪氦銆?nbsp;<br style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; " />9銆?7.8)涓ゆ鎿嶄綔宸查噴鏀句簡閿佸畾鐨勫璞★紝鎭㈠鍒版搷浣滃墠鐨勭姸鎬併?br /><br />杞嚜錛?a >http://www.cnblogs.com/tqsummer/archive/2010/07/11/1775209.html</a><br /><br /></p></div><img src ="http://m.tkk7.com/iLinux/aggbug/365749.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/iLinux/" target="_blank">iLinux</a> 2011-12-07 14:11 <a href="http://m.tkk7.com/iLinux/archive/2011/12/07/365749.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站,您可能还对以下资源感兴趣:</p> <a href="http://m.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> 主站蜘蛛池模板: <a href="http://ebuy668.com" target="_blank">亚洲一区免费视频</a>| <a href="http://4001120002.com" target="_blank">国产99久久久久久免费看</a>| <a href="http://hnmxld.com" target="_blank">人妻无码久久一区二区三区免费</a>| <a href="http://bjowj.com" target="_blank">亚洲福利中文字幕在线网址</a>| <a href="http://fkg675.com" target="_blank">在线观看亚洲网站</a>| <a href="http://583s.com" target="_blank">免费一级e一片在线播放</a>| <a href="http://sjkuaixun.com" target="_blank">日本亚洲高清乱码中文在线观看</a>| <a href="http://delvheng.com" target="_blank">国产成人高清精品免费软件</a>| <a href="http://cswangli.com" target="_blank">日韩色日韩视频亚洲网站 </a>| <a href="http://amjt9.com" target="_blank">黄页网站在线看免费</a>| <a href="http://yw323.com" target="_blank">亚洲一卡2卡4卡5卡6卡在线99</a>| <a href="http://773311h.com" target="_blank">无码国产精品一区二区免费式直播</a>| <a href="http://gangxiangli.com" target="_blank">亚洲国产精品yw在线观看</a>| <a href="http://91packing.com" target="_blank">在线观看的免费网站</a>| <a href="http://89kino.com" target="_blank">国产成人亚洲毛片</a>| <a href="http://ahzlgj.com" target="_blank">亚洲人成77777在线播放网站</a>| <a href="http://html5text.com" target="_blank">在线人成免费视频69国产</a>| <a href="http://77663499.com" target="_blank">亚洲婷婷综合色高清在线</a>| <a href="http://boyonet.com" target="_blank">天堂在线免费观看中文版</a>| <a href="http://99880524.com" target="_blank">色屁屁www影院免费观看视频</a>| <a href="http://5tww.com" target="_blank">自拍偷自拍亚洲精品第1页</a>| <a href="http://xixidhw.com" target="_blank">99久久精品免费精品国产</a>| <a href="http://tsxyhq.com" target="_blank">国产成人精品日本亚洲专一区</a>| <a href="http://6363388.com" target="_blank">日本高清免费不卡在线</a>| <a href="http://szzdjl.com" target="_blank">久久久久久久国产免费看</a>| <a href="http://26672814.com" target="_blank">亚洲久本草在线中文字幕</a>| <a href="http://kingleadsw.com" target="_blank">国产香蕉九九久久精品免费</a>| <a href="http://438266.com" target="_blank">美女视频黄频a免费观看</a>| <a href="http://fanqi5.com" target="_blank">亚洲AV无一区二区三区久久</a>| <a href="http://zhaofeiz.com" target="_blank">久草视频免费在线</a>| <a href="http://yg36.com" target="_blank">一级毛片免费一级直接观看</a>| <a href="http://2c06xyz.com" target="_blank">亚洲激情在线视频</a>| <a href="http://sds54.com" target="_blank">国产精品成人免费综合</a>| <a href="http://guhey.com" target="_blank">最近免费mv在线观看动漫</a>| <a href="http://8xxon8.com" target="_blank">亚洲美国产亚洲AV</a>| <a href="http://kimheezk.com" target="_blank">国产AV无码专区亚洲AVJULIA </a>| <a href="http://www-64000.com" target="_blank">a毛片在线免费观看</a>| <a href="http://gzweida88.com" target="_blank">2020亚洲男人天堂精品</a>| <a href="http://jimeng-99.com" target="_blank">久久久精品国产亚洲成人满18免费网站</a>| <a href="http://fdsyjy.com" target="_blank">99蜜桃在线观看免费视频网站</a>| <a href="http://fsdyzs.com" target="_blank">亚洲午夜精品一区二区麻豆</a>| <script> (function(){ var bp = document.createElement('script'); 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