锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲最大av无码网址,97se亚洲国产综合自在线,国产亚洲Av综合人人澡精品http://m.tkk7.com/lcs868/category/47664.html鏉庢槬鐢熺殑鍗氬zh-cnFri, 21 Jan 2011 20:41:26 GMTFri, 21 Jan 2011 20:41:26 GMT60mysql 涓璼ql 璇彞鏌ヨ浠婂ぉ銆佹槰澶┿?澶┿佽繎30澶┿佹湰鏈堛佷笂涓鏈?鏁版嵁http://m.tkk7.com/lcs868/articles/343319.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 05:40:00 GMThttp://m.tkk7.com/lcs868/articles/343319.htmlhttp://m.tkk7.com/lcs868/comments/343319.htmlhttp://m.tkk7.com/lcs868/articles/343319.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343319.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343319.html浠婂ぉ

select * from 琛ㄥ悕 where to_days(鏃墮棿瀛楁鍚? = to_days(now());

鏄ㄥぉ

SELECT * FROM 琛ㄥ悕 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 鏃墮棿瀛楁鍚? <= 1

7澶?br />
SELECT * FROM 琛ㄥ悕 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(鏃墮棿瀛楁鍚?

榪?0澶?br />
SELECT * FROM 琛ㄥ悕 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(鏃墮棿瀛楁鍚?

鏈湀

SELECT * FROM 琛ㄥ悕 WHERE DATE_FORMAT( 鏃墮棿瀛楁鍚? '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )

涓婁竴鏈?br />
SELECT * FROM 琛ㄥ悕 WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 鏃墮棿瀛楁鍚? '%Y%m' ) ) =1


]]>
mysql date_format銆鎸変笉鍚屾椂闂村崟浣嶈繘琛屽垎緇勭粺璁°http://m.tkk7.com/lcs868/articles/343320.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 05:40:00 GMThttp://m.tkk7.com/lcs868/articles/343320.htmlhttp://m.tkk7.com/lcs868/comments/343320.htmlhttp://m.tkk7.com/lcs868/articles/343320.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343320.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343320.html 鏍規嵁format瀛楃涓叉牸寮忓寲date鍊箋備笅鍒椾慨楗扮鍙互琚敤鍦╢ormat瀛楃涓蹭腑錛?nbsp;  
%M     鏈堝悕瀛?January……December)     
%W     鏄熸湡鍚嶅瓧(Sunday……Saturday)     
%D     鏈夎嫳璇墠緙鐨勬湀浠界殑鏃ユ湡(1st,   2nd,   3rd,   絳夌瓑銆傦級   
%Y     騫?   鏁板瓧,   4   浣?nbsp;  
%y     騫?   鏁板瓧,   2   浣?nbsp;  
%a     緙╁啓鐨勬槦鏈熷悕瀛?Sun……Sat)     
%d     鏈堜喚涓殑澶╂暟,   鏁板瓧(00……31)     
%e     鏈堜喚涓殑澶╂暟,   鏁板瓧(0……31)     
%m     鏈?   鏁板瓧(01……12)     
%c     鏈?   鏁板瓧(1……12)     
%b     緙╁啓鐨勬湀浠藉悕瀛?Jan……Dec)     
%j     涓騫翠腑鐨勫ぉ鏁?001……366)     
%H     灝忔椂(00……23)     
%k     灝忔椂(0……23)     
%h     灝忔椂(01……12)     
%I     灝忔椂(01……12)     
%l     灝忔椂(1……12)     
%i     鍒嗛挓,   鏁板瓧(00……59)     
%r     鏃墮棿,12   灝忔椂(hh:mm:ss   [AP]M)     
%T     鏃墮棿,24   灝忔椂(hh:mm:ss)     
%S     縐?00……59)     
%s     縐?00……59)     
%p     AM鎴朠M     
%w     涓涓槦鏈熶腑鐨勫ぉ鏁?0=Sunday   ……6=Saturday   錛?nbsp;  
%U     鏄熸湡(0……52),   榪欓噷鏄熸湡澶╂槸鏄熸湡鐨勭涓澶?nbsp;  
%u     鏄熸湡(0……52),   榪欓噷鏄熸湡涓鏄槦鏈熺殑絎竴澶?nbsp;  
%%     涓涓枃瀛?#8220;%”銆?nbsp;    
  
鎵鏈夌殑鍏朵粬瀛楃涓嶅仛瑙i噴琚鍒跺埌緇撴灉涓?nbsp;  
  
mysql>   select   DATE_FORMAT('1997-10-04   22:23:00',   '%W   %M   %Y');
                  ->   'Saturday   October   1997'
mysql>   select   DATE_FORMAT('1997-10-04   22:23:00',   '%H:%i:%s');
                  ->   '22:23:00'
mysql>   select   DATE_FORMAT('1997-10-04   22:23:00',
                                                      '%D   %y   %a   %d   %m   %b   %j');
                  ->   '4th   97   Sat   04   10   Oct   277'
mysql>   select   DATE_FORMAT('1997-10-04   22:23:00',
                                                      '%H   %k   %I   %r   %T   %S   %w');
                  ->   '22   22   10   10:23:00   PM   22:23:00   00   6'


, '%Y %m'


]]>
mysql甯哥敤鍛戒護http://m.tkk7.com/lcs868/articles/343306.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 03:17:00 GMThttp://m.tkk7.com/lcs868/articles/343306.htmlhttp://m.tkk7.com/lcs868/comments/343306.htmlhttp://m.tkk7.com/lcs868/articles/343306.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343306.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343306.html1.Linux緋葷粺涓嬪惎鍔∕ySQL鐨勫懡浠わ細

mysqladmin start

/ect/init.d/mysql start (鍓嶉潰涓簃ysql鐨勫畨瑁呰礬寰?

2.linux涓嬮噸鍚痬ysql鐨勫懡浠わ細

mysqladmin restart

/ect/init.d/mysql restart (鍓嶉潰涓簃ysql鐨勫畨瑁呰礬寰?

3.linux涓嬪叧闂璵ysql鐨勫懡浠わ細

mysqladmin shutdown

/ect/init.d/mysql shutdown (鍓嶉潰涓簃ysql鐨勫畨瑁呰礬寰?

4.榪炴帴鏈満涓婄殑mysql錛?/p>

榪涘叆鐩綍mysql\bin錛屽啀閿叆鍛戒護mysql -uroot -p錛?鍥炶濺鍚庢彁紺鴻緭鍏ュ瘑鐮併?/p>

閫鍑簃ysql鍛戒護錛歟xit錛堝洖杞︼級

5.淇敼mysql瀵嗙爜錛?/p>

mysqladmin -u鐢ㄦ埛鍚?-p鏃у瘑鐮?password 鏂板瘑鐮?/p>

鎴栬繘鍏ysql鍛戒護琛孲ET PASSWORD FOR root=PASSWORD("root");

6.澧炲姞鏂扮敤鎴楓傦紙娉ㄦ剰錛歮ysql鐜涓殑鍛戒護鍚庨潰閮藉甫涓涓垎鍙蜂綔涓哄懡浠ょ粨鏉熺錛?/p>

grant select on 鏁版嵁搴?* to 鐢ㄦ埛鍚岪鐧誨綍涓繪満 identified by "瀵嗙爜"

濡傚鍔犱竴涓敤鎴穞est瀵嗙爜涓?23錛岃浠栧彲浠ュ湪浠諱綍涓繪満涓婄櫥褰曪紝騫跺鎵鏈夋暟鎹簱鏈夋煡璇€佹彃鍏ャ佷慨鏀廣佸垹闄ょ殑鏉冮檺銆傞鍏堢敤浠oot鐢ㄦ埛榪炲叆mysql錛岀劧鍚庨敭鍏ヤ互涓嬪懡浠わ細

grant select,insert,update,delete on *.* to " Identified by "123";

浜屻佹湁鍏矼ySQL鏁版嵁搴撴柟闈㈢殑鎿嶄綔

蹇呴』棣栧厛鐧誨綍鍒癿ysql涓紝鏈夊叧鎿嶄綔閮芥槸鍦╩ysql鐨勬彁紺虹涓嬭繘琛岋紝鑰屼笖姣忎釜鍛戒護浠ュ垎鍙風粨鏉?/p>

1銆佹樉紺烘暟鎹簱鍒楄〃銆?/p>

show databases;

2銆佹樉紺哄簱涓殑鏁版嵁琛細

use mysql錛?錛忥紡鎵撳紑搴?/p>

show tables;

3銆佹樉紺烘暟鎹〃鐨勭粨鏋勶細

describe 琛ㄥ悕;

4銆佸緩搴擄細

create database 搴撳悕;

5銆佸緩琛細

use 搴撳悕錛?/p>

create table 琛ㄥ悕(瀛楁璁懼畾鍒楄〃)錛?/p>

6銆佸垹搴撳拰鍒犺〃:

drop database 搴撳悕;

drop table 琛ㄥ悕錛?/p>

7銆佸皢琛ㄤ腑璁板綍娓呯┖錛?/p>

delete from 琛ㄥ悕;

8銆佹樉紺鴻〃涓殑璁板綍錛?/p>

select * from 琛ㄥ悕;

9銆佺紪鐮佺殑淇敼

濡傛灉瑕佹敼鍙樻暣涓猰ysql鐨勭紪鐮佹牸寮忥細

鍚姩mysql鐨勬椂鍊欙紝mysqld_safe鍛戒護琛屽姞鍏?/p>

--default-character-set=gbk

濡傛灉瑕佹敼鍙樻煇涓簱鐨勭紪鐮佹牸寮忥細鍦╩ysql鎻愮ず絎﹀悗杈撳叆鍛戒護

alter database db_name default character set gbk;

涓夈佹暟鎹殑瀵煎叆瀵煎嚭

1銆佹枃鏈暟鎹漿鍒版暟鎹簱涓?/p>

鏂囨湰鏁版嵁搴旂鍚堢殑鏍煎紡錛氬瓧孌墊暟鎹箣闂寸敤tab閿殧寮錛宯ull鍊肩敤鏉ヤ唬鏇褲備緥錛?/p>

1 name duty 2006-11-23

鏁版嵁浼犲叆鍛戒護 load data local infile "鏂囦歡鍚? into table 琛ㄥ悕;

2銆佸鍑烘暟鎹簱鍜岃〃

mysqldump --opt news > news.sql錛堝皢鏁版嵁搴搉ews涓殑鎵鏈夎〃澶囦喚鍒皀ews.sql鏂囦歡錛宯ews.sql鏄竴涓枃鏈枃浠訛紝鏂囦歡鍚嶄換鍙栥傦級

mysqldump --opt news author article > author.article.sql錛堝皢鏁版嵁搴搉ews涓殑author琛ㄥ拰article琛ㄥ浠藉埌author.article.sql鏂囦歡錛?author.article.sql鏄竴涓枃鏈枃浠訛紝鏂囦歡鍚嶄換鍙栥傦級

mysqldump --databases db1 db2 > news.sql錛堝皢鏁版嵁搴揹bl鍜宒b2澶囦喚鍒皀ews.sql鏂囦歡錛宯ews.sql鏄竴涓枃鏈枃浠訛紝鏂囦歡鍚嶄換鍙栥傦級

mysqldump -h host -u user -p pass --databases dbname > file.dump

灝辨槸鎶奾ost涓婄殑浠ュ悕瀛梪ser錛屽彛浠ass鐨勬暟鎹簱dbname瀵煎叆鍒版枃浠秄ile.dump涓?/p>

mysqldump --all-databases > all-databases.sql錛堝皢鎵鏈夋暟鎹簱澶囦喚鍒癮ll-databases.sql鏂囦歡錛宎ll-databases.sql鏄竴涓枃鏈枃浠訛紝鏂囦歡鍚嶄換鍙栥傦級

3銆佸鍏ユ暟鎹?/p>

mysql < all-databases.sql錛堝鍏ユ暟鎹簱錛?/p>

mysql>source news.sql;錛堝湪mysql鍛戒護涓嬫墽琛岋紝鍙鍏ヨ〃錛?/p>

涓銆佽繛鎺ySQL

鏍煎紡錛?mysql -h涓繪満鍦板潃 -u鐢ㄦ埛鍚?錛峱鐢ㄦ埛瀵嗙爜

1銆佷緥1錛氳繛鎺ュ埌鏈満涓婄殑MYSQL銆?/p>

棣栧厛鍦ㄦ墦寮DOS紿楀彛錛岀劧鍚庤繘鍏ョ洰褰?mysqlbin錛屽啀閿叆鍛戒護mysql -uroot -p錛屽洖杞﹀悗鎻愮ず浣犺緭瀵嗙爜錛屽鏋滃垰瀹夎濂組YSQL錛岃秴綰х敤鎴穜oot鏄病鏈夊瘑鐮佺殑錛屾晠鐩存帴鍥炶濺鍗沖彲榪涘叆鍒癕YSQL涓簡錛孧YSQL鐨勬彁紺虹鏄細 mysql>銆?/p>

2銆佷緥2錛氳繛鎺ュ埌榪滅▼涓繪満涓婄殑MYSQL銆傚亣璁捐繙紼嬩富鏈虹殑IP涓猴細110.110.110.110錛岀敤鎴峰悕涓簉oot,瀵嗙爜涓篴bcd123銆傚垯閿叆浠ヤ笅鍛戒護錛?/p>

mysql -h110.110.110.110 -uroot -pabcd123

錛堟敞:u涓巖oot鍙互涓嶇敤鍔犵┖鏍鹼紝鍏跺畠涔熶竴鏍鳳級

3銆侀鍑篗YSQL鍛戒護錛?exit 錛堝洖杞︼級銆?/p>

浜屻佷慨鏀瑰瘑鐮?/p>

鏍煎紡錛歮ysqladmin -u鐢ㄦ埛鍚?-p鏃у瘑鐮?password 鏂板瘑鐮?/p>

1銆佷緥1錛氱粰root鍔犱釜瀵嗙爜ab12銆傞鍏堝湪DOS涓嬭繘鍏ョ洰褰昺ysqlbin錛岀劧鍚庨敭鍏ヤ互涓嬪懡浠わ細

mysqladmin -uroot -password ab12

娉細鍥犱負寮濮嬫椂root娌℃湁瀵嗙爜錛屾墍浠?p鏃у瘑鐮佷竴欏瑰氨鍙互鐪佺暐浜嗐?/p>

2銆佷緥2錛氬啀灝唕oot鐨勫瘑鐮佹敼涓篸jg345銆?/p>

mysqladmin -uroot -pab12 password djg345

涓夈佸鍔犳柊鐢ㄦ埛銆傦紙娉ㄦ剰錛氬拰涓婇潰涓嶅悓錛屼笅闈㈢殑鍥犱負鏄疢ySQL鐜涓殑鍛戒護錛屾墍浠ュ悗闈㈤兘甯︿竴涓垎鍙蜂綔涓哄懡浠ょ粨鏉熺錛?/p>

鏍煎紡錛歡rant select on 鏁版嵁搴?* to 鐢ㄦ埛鍚岪鐧誨綍涓繪満 identified by \"瀵嗙爜\"

渚?銆佸鍔犱竴涓敤鎴穞est1瀵嗙爜涓篴bc錛岃浠栧彲浠ュ湪浠諱綍涓繪満涓婄櫥褰曪紝騫跺鎵鏈夋暟鎹簱鏈夋煡璇€佹彃鍏ャ佷慨鏀廣佸垹闄ょ殑鏉冮檺銆傞鍏堢敤浠oot鐢ㄦ埛榪炲叆MySQL錛岀劧鍚庨敭鍏ヤ互涓嬪懡浠わ細

grant select,insert,update,

delete on *.* to test1@\"%\" Identified by \"abc\";

浣嗕緥1澧炲姞鐨勭敤鎴鋒槸鍗佸垎鍗遍櫓鐨勶紝浣犳兂濡傛煇涓漢鐭ラ亾test1鐨勫瘑鐮侊紝閭d箞浠栧氨鍙互鍦╥nternet涓婄殑浠諱綍涓鍙扮數鑴戜笂鐧誨綍浣犵殑MySQL鏁版嵁搴撳茍瀵逛綘鐨勬暟鎹彲浠ヤ負鎵嬈蹭負浜嗭紝瑙e喅鍔炴硶瑙佷緥2銆?/p>

渚?銆佸鍔犱竴涓敤鎴穞est2瀵嗙爜涓篴bc,璁╀粬鍙彲浠ュ湪localhost涓婄櫥褰曪紝騫跺彲浠ュ鏁版嵁搴搈ydb榪涜鏌ヨ銆佹彃鍏ャ佷慨鏀廣佸垹闄ょ殑鎿嶄綔錛坙ocalhost鎸囨湰鍦頒富鏈猴紝鍗矼ySQL鏁版嵁搴撴墍鍦ㄧ殑閭e彴涓繪満錛夛紝榪欐牱鐢ㄦ埛鍗充嬌鐢ㄧ煡閬搕est2鐨勫瘑鐮侊紝浠栦篃鏃犳硶浠巌nternet涓婄洿鎺ヨ闂暟鎹簱錛屽彧鑳介氳繃MySQL涓繪満涓婄殑web欏墊潵璁塊棶銆?/p>

grant select,insert,update,

delete on mydb.* to test2@localhost identified by \"abc\";

濡傛灉浣犱笉鎯硉est2鏈夊瘑鐮侊紝鍙互鍐嶆墦涓涓懡浠ゅ皢瀵嗙爜娑堟帀銆?/p>

grant select,insert,update,delete on mydb

.* to test2@localhost identified by \"\";

鍦ㄤ笂闈㈣浜嗙櫥褰曘佸鍔犵敤鎴楓佸瘑鐮佹洿鏀圭瓑闂銆備笅闈㈡垜浠潵鐪嬬湅MySQL涓湁鍏蟲暟鎹簱鏂歸潰鐨勬搷浣溿傛敞鎰忥細浣犲繀欏婚鍏堢櫥褰曞埌MySQL涓紝浠ヤ笅鎿嶄綔閮芥槸鍦∕ySQL鐨勬彁紺虹涓嬭繘琛岀殑錛岃屼笖姣忎釜鍛戒護浠ュ垎鍙風粨鏉熴?/p>

涓銆佹搷浣滄妧宸?/p>

1銆佸鏋滀綘鎵撳懡浠ゆ椂錛屽洖杞﹀悗鍙戠幇蹇樿鍔犲垎鍙鳳紝浣犳棤欏婚噸鎵撲竴閬嶅懡浠わ紝鍙鎵撲釜鍒嗗彿鍥炶濺灝卞彲浠ヤ簡銆備篃灝辨槸璇翠綘鍙互鎶婁竴涓畬鏁寸殑鍛戒護鍒嗘垚鍑犺鏉ユ墦錛屽畬鍚庣敤鍒嗗彿浣滅粨鏉熸爣蹇楀氨瀹屾垚銆?/p>

2銆佷綘鍙互浣跨敤鍏夋爣涓婁笅閿皟鍑轟互鍓嶇殑鍛戒護銆備絾浠ュ墠鎴戠敤榪囩殑涓涓狹ySQL鏃х増鏈笉鏀寔銆傛垜鐜板湪鐢ㄧ殑鏄痬ysql-3.23.27-beta-win銆?/p>

浜屻佹樉紺哄懡浠?/p>

1銆佹樉紺烘暟鎹簱鍒楄〃錛?/p>

show databases;

鍒氬紑濮嬫椂鎵嶄袱涓暟鎹簱錛歮ysql鍜宼est銆侻ySQL搴撳緢閲嶈瀹冮噷闈㈡湁MYSQL鐨勭郴緇熶俊鎭紝鎴戜滑鏀瑰瘑鐮佸拰鏂板鐢ㄦ埛錛屽疄闄呬笂灝辨槸鐢ㄨ繖涓簱榪涜鎿嶄綔銆?/p>

2銆佹樉紺哄簱涓殑鏁版嵁琛細

use mysql錛?錛忥紡鎵撳紑搴擄紝瀛﹁繃FOXBASE鐨勪竴瀹氫笉浼氶檶鐢熷惂

show tables;

3銆佹樉紺烘暟鎹〃鐨勭粨鏋勶細

describe 琛ㄥ悕;

4銆佸緩搴擄細

create database 搴撳悕;

5銆佸緩琛細

use 搴撳悕錛?/p>

create table 琛ㄥ悕 (瀛楁璁懼畾鍒楄〃)錛?/p>

6銆佸垹搴撳拰鍒犺〃:

drop database 搴撳悕;

drop table 琛ㄥ悕錛?/p>

7銆佸皢琛ㄤ腑璁板綍娓呯┖錛?/p>

delete from 琛ㄥ悕;

8銆佹樉紺鴻〃涓殑璁板綍錛?/p>

select * from 琛ㄥ悕;

涓夈佷竴涓緩搴撳拰寤鴻〃浠ュ強鎻掑叆鏁版嵁鐨勫疄渚?/p>

drop database if exists school; //濡傛灉瀛樺湪SCHOOL鍒欏垹闄?/p>

create database school; //寤虹珛搴揝CHOOL

use school; //鎵撳紑搴揝CHOOL

create table teacher //寤虹珛琛═EACHER

(

id int(3) auto_increment not null primary key,

name char(10) not null,

address varchar(50) default ’娣卞湷’,

year date

); //寤鴻〃緇撴潫

//浠ヤ笅涓烘彃鍏ュ瓧孌?/p>

insert into teacher values(’’,’glchengang’,’娣卞湷涓涓?#8217;,’1976-10-10’);

insert into teacher values(’’,’jack’,’娣卞湷涓涓?#8217;,’1975-12-23’);

娉細鍦ㄥ緩琛ㄤ腑錛?錛夊皢ID璁句負闀垮害涓?鐨勬暟瀛楀瓧孌?int(3)騫惰瀹冩瘡涓褰曡嚜鍔ㄥ姞涓:auto_increment騫朵笉鑳戒負絀?not null鑰屼笖璁╀粬鎴愪負涓誨瓧孌祊rimary key錛?錛夊皢NAME璁句負闀垮害涓?0鐨勫瓧絎﹀瓧孌碉紙3錛夊皢ADDRESS璁句負闀垮害50鐨勫瓧絎﹀瓧孌碉紝鑰屼笖緙虹渷鍊間負娣卞湷銆倂archar鍜宑har鏈変粈涔堝尯鍒憿錛屽彧鏈夌瓑浠ュ悗鐨勬枃绔犲啀璇翠簡銆傦紙4錛夊皢YEAR璁句負鏃ユ湡瀛楁銆?/p>

濡傛灉浣犲湪MySQL鎻愮ず絎﹂敭鍏ヤ笂闈㈢殑鍛戒護涔熷彲浠ワ紝浣嗕笉鏂逛究璋冭瘯銆備綘鍙互灝嗕互涓婂懡浠ゅ師鏍峰啓鍏ヤ竴涓枃鏈枃浠朵腑鍋囪涓簊chool.sql錛岀劧鍚庡鍒跺埌c:\\涓嬶紝騫跺湪DOS鐘舵佽繘鍏ョ洰褰昞\mysql\\bin錛岀劧鍚庨敭鍏ヤ互涓嬪懡浠わ細

mysql -uroot -p瀵嗙爜 < c:\\school.sql

濡傛灉鎴愬姛錛岀┖鍑轟竴琛屾棤浠諱綍鏄劇ず錛涘鏈夐敊璇紝浼氭湁鎻愮ず銆傦紙浠ヤ笂鍛戒護宸茬粡璋冭瘯錛屼綘鍙灝?/鐨勬敞閲婂幓鎺夊嵆鍙嬌鐢級銆?/p>

鍥涖佸皢鏂囨湰鏁版嵁杞埌鏁版嵁搴撲腑

1銆佹枃鏈暟鎹簲絎﹀悎鐨勬牸寮忥細瀛楁鏁版嵁涔嬮棿鐢╰ab閿殧寮錛宯ull鍊肩敤\\n鏉ヤ唬鏇褲?/p>

渚嬶細

3 rose 娣卞湷浜屼腑 1976-10-10

4 mike 娣卞湷涓涓?1975-12-23

2銆佹暟鎹紶鍏ュ懡浠?load data local infile \"鏂囦歡鍚峔" into table 琛ㄥ悕銆?/p>

娉ㄦ剰錛氫綘鏈濂藉皢鏂囦歡澶嶅埗鍒癨\mysql\\bin鐩綍涓嬶紝騫朵笖瑕佸厛鐢╱se鍛戒護鎵撹〃鎵鍦ㄧ殑搴撱?/p>

浜斻佸浠芥暟鎹簱錛?/p>

1銆乵ysqldump --opt school>school.bbb

mysqldump --opt school>school.bbb

錛堝懡浠ゅ湪DOS鐨刓\mysql\\bin鐩綍涓嬫墽琛岋級

娉ㄩ噴:灝嗘暟鎹簱school澶囦喚鍒皊chool.bbb鏂囦歡錛宻chool.bbb鏄竴涓枃鏈枃浠訛紝鏂囦歡鍚嶄換鍙栵紝鎵撳紑鐪嬬湅浣犱細鏈夋柊鍙戠幇銆?/p>

鍚庤錛氬叾瀹濵ySQL鐨勫鏁版嵁搴撶殑鎿嶄綔涓庡叾瀹冪殑SQL綾繪暟鎹簱澶у悓灝忓紓錛屾偍鏈濂芥壘鏈皢SQL鐨勪功鐪嬬湅銆傛垜鍦ㄨ繖閲屽彧浠嬬粛涓浜涘熀鏈殑錛屽叾瀹炴垜涔熷氨鍙噦榪欎簺浜嗭紝鍛靛懙銆傛渶濂界殑MYSQL鏁欑▼榪樻槸“鏅忓瓙“璇戠殑“MYSQL涓枃鍙傝冩墜鍐?#8220;涓嶄粎鍏嶈垂姣忎釜鐩稿叧緗戠珯閮芥湁涓嬭澆錛岃屼笖瀹冩槸鏈鏉冨▉鐨勩傚彲鎯滀笉鏄薄\"PHP4涓枃鎵嬪唽\"閭f牱鏄痗hm鐨勬牸寮忥紝鍦ㄦ煡鎵懼嚱鏁板懡浠ょ殑鏃跺欎笉澶柟渚褲?/p>

2銆佷慨鏀圭櫥褰曞瘑鐮?/p>

1) mysqladmin -u鐢ㄦ埛鍚?-p鏃у瘑鐮?password 鏂板瘑鐮?

渚嬶細mysqladmin -u root password 21century

娉細鍥犱負寮濮嬫椂root娌℃湁瀵嗙爜錛屾墍浠?p鏃у瘑鐮佷竴欏瑰氨鍙互鐪佺暐浜嗐?/p>

2)鐩存帴淇敼user琛ㄧ殑root鐢ㄦ埛鍙d護錛?/p>

mysql> user mysql;

mysql> update user set pasword=password('21century') where user='root';

mysql> flush privileges;

娉細flush privileges鐨勬剰鎬濇槸寮哄埗鍒鋒柊鍐呭瓨鎺堟潈琛紝鍚﹀垯鐢ㄧ殑榪樻槸緙撳啿涓殑鍙d護銆?/p>

3銆佹祴璇曞瘑鐮佹槸鍚︿慨鏀規垚鍔?

1錛変笉鐢ㄥ瘑鐮佺櫥褰?

[root@test1 local]# mysql

ERROR 1045: Access denied for user: 'root@localhost' (Using password: NO)

鏄劇ず閿欒錛岃鏄庡瘑鐮佸凡緇忎慨鏀廣?/p>

2錛夌敤淇敼鍚庣殑瀵嗙爜鐧誨綍:

[root@test1 local]# mysql -u root -p

Enter password: (杈撳叆淇敼鍚庣殑瀵嗙爜21century)

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 177 to server version: 3.23.48

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql>

鎴愬姛錛?/p>

榪欐槸閫氳繃mysqladmin鍛戒護淇敼鍙d護錛屼篃鍙氳繃淇敼搴撴潵鏇存敼鍙d護銆?/p>

4銆佸惎鍔ㄥ拰鍋滄:

鍚姩錛歁ysql浠?.23.15鐗堟湰寮濮嬩綔浜嗘敼鍔紝榛樿瀹夎鍚庢湇鍔¤鐢∕ySQL鐢ㄦ埛鏉ュ惎鍔紝涓嶅厑璁竢oot鐢ㄦ埛鍚姩銆?/p>

濡傛灉闈炶鐢╮oot鐢ㄦ埛鏉ュ惎鍔紝蹇呴』鍔犱笂--user=root鍙傛暟(./safe_mysqld --user=root &)鍋滄錛歮ysqladmin -u root -p shutdown銆?/p>

5銆佸鍑簃eeting鏁版嵁搴擄細

mysqldump -uroot -p21century meeting > db_meeting.sql

瀵間漢dbname鏁版嵁搴?

mysqldump -uroot -p21century dbname < xxx.sql

瀵煎叆鏁版嵁搴撹繕鍙敤綾諱技浜巓racle涓瑻my_script.sql鐨勬柟寮忎竴嬈℃墽琛屽ぇ閲弒ql璇彞錛岃繖鍦ㄤ嬌鐢╩ysqldump涓嶈搗浣滅敤鏃墮潪甯告湁鐢ㄣ?/p>

渚嬶細#./mysql -uroot -p < /home/xuys/db_meeting_2003.sql

(娉細create database銆乽se databasename銆乧reate table鍜宨nsert into璇彞閮藉彲鍐欏湪涓婇潰鐨勮剼姝ユ枃浠朵腑)

6銆佺粰琛ㄦ敼鍚?

RENAME TABLE ztemp TO zteMP4;

7銆佷慨鏀瑰瓧孌靛睘鎬э細

ALTER TABLE bbabase CHANGE news_id id VARCHAR(5) NOT NULL;

8銆佸湪琛ㄤ腑鐨刢ontent鍚庡鍔犱竴瀛楁錛?/p>

ALTER TABLE bbabase ADD leave_time DATETIME NOT NULL AFTER



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mysql瀹夎http://m.tkk7.com/lcs868/articles/343305.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 03:16:00 GMThttp://m.tkk7.com/lcs868/articles/343305.htmlhttp://m.tkk7.com/lcs868/comments/343305.htmlhttp://m.tkk7.com/lcs868/articles/343305.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343305.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343305.html shell> useradd -g mysql mysql
shell> gunzip < mysql-VERSION.tar.gz | tar -xvf -
shell> cd mysql-VERSION
shell> ./configure --prefix=/usr/local/mysql
shell> make
shell> make install
shell> cp support-files/my-medium.cnf /etc/my.cnf
shell> cd /usr/local/mysql
shell> bin/mysql_install_db --user=mysql
shell> chown -R root  .
shell> chown -R mysql var
shell> chgrp -R mysql .
shell> bin/mysqld_safe --user=mysql &

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linux緋葷粺涓媕dk1.6瀹夎http://m.tkk7.com/lcs868/articles/343304.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 03:14:00 GMThttp://m.tkk7.com/lcs868/articles/343304.htmlhttp://m.tkk7.com/lcs868/comments/343304.htmlhttp://m.tkk7.com/lcs868/articles/343304.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343304.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343304.html1. 浠庣綉绔欎笂涓嬭澆jdk1.6鍖?jdk-6u10-linux-i586-rpm.bin ),閫氳繃leapFTP涓婁紶鍒發inux緋葷粺鐨?var/ftp/pub鐩綍涓?/p>

 

  2.鍦╨inux涓垏鎹㈠埌 /var/ftp/pub鐩綍涓嬶紝淇敼jdk1.6鐨勪嬌鐢ㄦ潈闄愶細#chmod  u+x  jdk-6u10-linux-i586-rpm.bin

 

  3.瑙e帇騫跺畨瑁咃細#./ jdk-6u10-linux-i586-rpm.bin (榛樿瀹夎鍦?usr/java涓?

 

  4.鐜鍙橀噺閰嶇疆錛?/p>

    #vi  /etc/profile

    鍦ㄨprofile鏂囦歡涓坊鍔狅細

    JAVA_HOME=/usr/java/jdk1.6.0_10

    JRE_HOME=/usr/java/jdk1.6.0_10/jre

    PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

    CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib

    export JAVA_HOME JRE_HOME PATH CLASSPATH

    娣誨姞瀹屾瘯淇濆瓨閫鍑?/p>

 

    #source /etc/profile

    #java -version

    鏄劇ず java version "1.6.0_10" (jdk1.6瀹夎鎴愬姛)

 

   鍗歌澆rpm鐗堢殑jdk錛?/p>

   #rpm -qa|grep jdk

   鏄劇ず錛歫dk-1.6.0_10-fcs
   鍗歌澆錛?rpm -e  --nodeps  jdk-1.6.0_10-fcs



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mysql slave,master閰嶇疆http://m.tkk7.com/lcs868/articles/343303.html鏉庢槬鐢?/dc:creator>鏉庢槬鐢?/author>Fri, 21 Jan 2011 03:09:00 GMThttp://m.tkk7.com/lcs868/articles/343303.htmlhttp://m.tkk7.com/lcs868/comments/343303.htmlhttp://m.tkk7.com/lcs868/articles/343303.html#Feedback0http://m.tkk7.com/lcs868/comments/commentRss/343303.htmlhttp://m.tkk7.com/lcs868/services/trackbacks/343303.html涓涓畬鏁寸殑mysql璇誨啓鍒嗙鐜鍖呮嫭浠ヤ笅鍑犱釜閮ㄥ垎錛?/p>

搴旂敤紼嬪簭client
database proxy
database闆嗙兢
鍦ㄦ湰嬈″疄鎴樹腑錛屽簲鐢ㄧ▼搴廲lient鍩轟簬c3p0榪炴帴鍚庣鐨刣atabase proxy銆俤atabase proxy璐熻矗綆$悊client瀹為檯璁塊棶database鐨勮礬鐢辯瓥鐣ワ紝閲囩敤寮婧愭鏋禷moeba銆俤atabase闆嗙兢閲囩敤mysql鐨刴aster-slave鐨剅eplication鏂規銆傛暣涓幆澧冪殑緇撴瀯鍥懼涓嬫墍紺猴細

 

瀹炴垬姝ラ涓庤瑙?/p>

涓.鎼緩mysql鐨刴aster-slave鐜

1錛夊垎鍒湪host1錛?0.20.147.110錛夊拰host2錛?0.20.147.111錛変笂瀹夎mysql錛?.0.45錛夛紝鍏蜂綋瀹夎鏂規硶鍙瀹樻柟鏂囨。

2錛夐厤緗甿aster

棣栧厛緙栬緫/etc/my.cnf錛屾坊鍔犱互涓嬮厤緗細

log-bin=mysql-bin #slave浼氬熀浜庢log-bin鏉ュ仛replication
server-id=1 #master鐨勬爣紺?br /> binlog-do-db = amoeba_study #鐢ㄤ簬master-slave鐨勫叿浣撴暟鎹簱

鐒跺悗娣誨姞涓撻棬鐢ㄤ簬replication鐨勭敤鎴鳳細

mysql> GRANT REPLICATION SLAVE ON *.* TO repl@10.20.147.111 IDENTIFIED BY '111111';

閲嶅惎mysql錛屼嬌寰楅厤緗敓鏁堬細

/etc/init.d/mysqld restart

鏈鍚庢煡鐪媘aster鐘舵侊細

 

3錛夐厤緗畇lave

棣栧厛緙栬緫/etc/my.cnf錛屾坊鍔犱互涓嬮厤緗細

server-id=2 #slave鐨勬爣紺?/p>

閰嶇疆鐢熸晥鍚庯紝閰嶇疆涓巑aster鐨勮繛鎺ワ細

mysql> CHANGE MASTER TO
    -> MASTER_HOST='10.20.147.110',
    -> MASTER_USER='repl',
    -> MASTER_PASSWORD='111111',
    -> MASTER_LOG_FILE='mysql-bin.000003',
    -> MASTER_LOG_POS=161261;

鍏朵腑MASTER_HOST鏄痬aster鏈虹殑ip錛孧ASTER_USER鍜孧ASTER_PASSWORD灝辨槸鎴戜滑鍒氭墠鍦╩aster涓婃坊鍔犵殑鐢ㄦ埛錛孧ASTER_LOG_FILE鍜孧ASTER_LOG_POS瀵瑰簲涓巑aster status閲岀殑淇℃伅

鏈鍚庡惎鍔╯lave錛?/p>

mysql> start slave;

4錛夐獙璇乵aster-slave鎼緩鐢熸晥

閫氳繃鏌ョ湅slave鏈虹殑log錛?var/log/mysqld.log錛夛細

100703 10:51:42 [Note] Slave I/O thread: connected to master 'repl@10.20.147.110:3306',  replication started in log 'mysql-bin.000003' at position 161261

濡傜湅鍒頒互涓婁俊鎭垯璇佹槑鎼緩鎴愬姛錛屽鏋滄湁闂涔熷彲閫氳繃姝og鎵懼師鍥?/p>

浜?鎼緩database proxy

姝ゆ瀹炴垬涓璬atabase proxy閲囩敤amoeba 錛屽畠鐨勭浉鍏充俊鎭彲浠ユ煡闃呭畼鏂規枃妗o紝涓嶅湪姝よ榪?/p>

1錛夊畨瑁卆moeba

涓嬭澆amoeba錛?.2.0-GA錛夊悗瑙e帇鍒版湰鍦幫紙D:\openSource\amoeba-mysql-1.2.0-GA錛夛紝鍗沖畬鎴愬畨瑁?/p>

2錛夐厤緗產moeba

鍏堥厤緗畃roxy榪炴帴鍜屼笌鍚勫悗绔痬ysql鏈嶅姟鍣ㄨ繛鎺ヤ俊鎭紙D:\openSource\amoeba-mysql-1.2.0-GA\conf\amoeba.xml錛夛細

<server> 
    <!-- proxy server緇戝畾鐨勭鍙?--> 
    <property name="port">8066</property> 
      
    <!-- proxy server緇戝畾鐨処P --> 
    <!--  
    <property name="ipAddress">127.0.0.1</property> 
     --> 
    <!-- proxy server net IO Read thread size --> 
    <property name="readThreadPoolSize">20</property> 
      
    <!-- proxy server client process thread size --> 
    <property name="clientSideThreadPoolSize">30</property> 
      
    <!-- mysql server data packet process thread size --> 
    <property name="serverSideThreadPoolSize">30</property> 
      
    <!-- socket Send and receive BufferSize(unit:K)  --> 
    <property name="netBufferSize">128</property> 
      
    <!-- Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm). --> 
    <property name="tcpNoDelay">true</property> 
      
    <!-- 瀵瑰楠岃瘉鐨勭敤鎴峰悕 --> 
    <property name="user">root</property> 
      
    <!-- 瀵瑰楠岃瘉鐨勫瘑鐮?--> 
    <property name="password">root</property> 
</server> 
<server>
 <!-- proxy server緇戝畾鐨勭鍙?-->
 <property name="port">8066</property>
 
 <!-- proxy server緇戝畾鐨処P -->
 <!--
 <property name="ipAddress">127.0.0.1</property>
  -->
 <!-- proxy server net IO Read thread size -->
 <property name="readThreadPoolSize">20</property>
 
 <!-- proxy server client process thread size -->
 <property name="clientSideThreadPoolSize">30</property>
 
 <!-- mysql server data packet process thread size -->
 <property name="serverSideThreadPoolSize">30</property>
 
 <!-- socket Send and receive BufferSize(unit:K)  -->
 <property name="netBufferSize">128</property>
 
 <!-- Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm). -->
 <property name="tcpNoDelay">true</property>
 
 <!-- 瀵瑰楠岃瘉鐨勭敤鎴峰悕 -->
 <property name="user">root</property>
 
 <!-- 瀵瑰楠岃瘉鐨勫瘑鐮?-->
 <property name="password">root</property>
</server>

浠ヤ笂鏄痯roxy鎻愪緵緇檆lient鐨勮繛鎺ラ厤緗?/p>

<dbServerList> 
    <dbServer name="server1">           
        <!-- PoolableObjectFactory瀹炵幇綾?--> 
        <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory"> 
            <property name="manager">defaultManager</property> 
              
            <!-- 鐪熷疄mysql鏁版嵁搴撶鍙?--> 
            <property name="port">3306</property> 
              
            <!-- 鐪熷疄mysql鏁版嵁搴揑P --> 
            <property name="ipAddress">10.20.147.110</property> 
            <property name="schema">amoeba_study</property> 
              
            <!-- 鐢ㄤ簬鐧婚檰mysql鐨勭敤鎴峰悕 --> 
            <property name="user">root</property> 
              
            <!-- 鐢ㄤ簬鐧婚檰mysql鐨勫瘑鐮?--> 
            <property name="password"></property> 
              
        </factoryConfig> 
          
        <!-- ObjectPool瀹炵幇綾?--> 
        <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool"> 
            <property name="maxActive">200</property> 
            <property name="maxIdle">200</property> 
            <property name="minIdle">10</property> 
            <property name="minEvictableIdleTimeMillis">600000</property> 
            <property name="timeBetweenEvictionRunsMillis">600000</property> 
            <property name="testOnBorrow">true</property> 
            <property name="testWhileIdle">true</property> 
        </poolConfig> 
    </dbServer> 
    <dbServer name="server2"> 
          
        <!-- PoolableObjectFactory瀹炵幇綾?--> 
        <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory"> 
            <property name="manager">defaultManager</property> 
              
            <!-- 鐪熷疄mysql鏁版嵁搴撶鍙?--> 
            <property name="port">3306</property> 
              
            <!-- 鐪熷疄mysql鏁版嵁搴揑P --> 
            <property name="ipAddress">10.20.147.111</property> 
            <property name="schema">amoeba_study</property> 
              
            <!-- 鐢ㄤ簬鐧婚檰mysql鐨勭敤鎴峰悕 --> 
            <property name="user">root</property> 
              
            <!-- 鐢ㄤ簬鐧婚檰mysql鐨勫瘑鐮?--> 
            <property name="password"></property> 
              
        </factoryConfig> 
          
        <!-- ObjectPool瀹炵幇綾?--> 
        <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool"> 
            <property name="maxActive">200</property> 
            <property name="maxIdle">200</property> 
            <property name="minIdle">10</property> 
            <property name="minEvictableIdleTimeMillis">600000</property> 
            <property name="timeBetweenEvictionRunsMillis">600000</property> 
            <property name="testOnBorrow">true</property> 
            <property name="testWhileIdle">true</property> 
        </poolConfig> 
    </dbServer>         
</dbServerList> 
<dbServerList>
 <dbServer name="server1">   
  <!-- PoolableObjectFactory瀹炵幇綾?-->
  <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory">
   <property name="manager">defaultManager</property>
   
   <!-- 鐪熷疄mysql鏁版嵁搴撶鍙?-->
   <property name="port">3306</property>
   
   <!-- 鐪熷疄mysql鏁版嵁搴揑P -->
   <property name="ipAddress">10.20.147.110</property>
   <property name="schema">amoeba_study</property>
   
   <!-- 鐢ㄤ簬鐧婚檰mysql鐨勭敤鎴峰悕 -->
   <property name="user">root</property>
   
   <!-- 鐢ㄤ簬鐧婚檰mysql鐨勫瘑鐮?-->
   <property name="password"></property>
   
  </factoryConfig>
  
  <!-- ObjectPool瀹炵幇綾?-->
  <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool">
   <property name="maxActive">200</property>
   <property name="maxIdle">200</property>
   <property name="minIdle">10</property>
   <property name="minEvictableIdleTimeMillis">600000</property>
   <property name="timeBetweenEvictionRunsMillis">600000</property>
   <property name="testOnBorrow">true</property>
   <property name="testWhileIdle">true</property>
  </poolConfig>
 </dbServer>
 <dbServer name="server2">
  
  <!-- PoolableObjectFactory瀹炵幇綾?-->
  <factoryConfig class="com.meidusa.amoeba.mysql.net.MysqlServerConnectionFactory">
   <property name="manager">defaultManager</property>
   
   <!-- 鐪熷疄mysql鏁版嵁搴撶鍙?-->
   <property name="port">3306</property>
   
   <!-- 鐪熷疄mysql鏁版嵁搴揑P -->
   <property name="ipAddress">10.20.147.111</property>
   <property name="schema">amoeba_study</property>
   
   <!-- 鐢ㄤ簬鐧婚檰mysql鐨勭敤鎴峰悕 -->
   <property name="user">root</property>
   
   <!-- 鐢ㄤ簬鐧婚檰mysql鐨勫瘑鐮?-->
   <property name="password"></property>
   
  </factoryConfig>
  
  <!-- ObjectPool瀹炵幇綾?-->
  <poolConfig class="com.meidusa.amoeba.net.poolable.PoolableObjectPool">
   <property name="maxActive">200</property>
   <property name="maxIdle">200</property>
   <property name="minIdle">10</property>
   <property name="minEvictableIdleTimeMillis">600000</property>
   <property name="timeBetweenEvictionRunsMillis">600000</property>
   <property name="testOnBorrow">true</property>
   <property name="testWhileIdle">true</property>
  </poolConfig>
 </dbServer>  
</dbServerList>

浠ヤ笂鏄痯roxy涓庡悗绔悇mysql鏁版嵁搴撴湇鍔″櫒閰嶇疆淇℃伅錛屽叿浣撻厤緗娉ㄩ噴寰堟槑鐧戒簡

鏈鍚庨厤緗鍐欏垎紱葷瓥鐣ワ細

<queryRouter class="com.meidusa.amoeba.mysql.parser.MysqlQueryRouter"> 
    <property name="LRUMapSize">1500</property> 
    <property name="defaultPool">server1</property> 
    <property name="writePool">server1</property> 
    <property name="readPool">server2</property> 
    <property name="needParse">true</property> 
</queryRouter> 
<queryRouter class="com.meidusa.amoeba.mysql.parser.MysqlQueryRouter">
 <property name="LRUMapSize">1500</property>
 <property name="defaultPool">server1</property>
 <property name="writePool">server1</property>
 <property name="readPool">server2</property>
 <property name="needParse">true</property>
</queryRouter>

浠庝互涓婇厤緗笉鐒跺彂鐜幫紝鍐欐搷浣滆礬鐢卞埌server1錛坢aster錛夛紝璇繪搷浣滆礬鐢卞埌server2錛坰lave錛?/p>

3錛夊惎鍔╝moeba

鍦ㄥ懡浠よ閲岃繍琛孌:\openSource\amoeba-mysql-1.2.0-GA\amoeba.bat鍗沖彲錛?/p>

log4j:WARN log4j config load completed from file:D:\openSource\amoeba-mysql-1.2.0-GA\conf\log4j.xml
log4j:WARN ip access config load completed from file:D:\openSource\amoeba-mysql-1.2.0-GA/conf/access_list.conf
2010-07-03 09:55:33,821 INFO  net.ServerableConnectionManager - Server listening on 0.0.0.0/0.0.0.0:8066.
涓?client绔皟鐢ㄤ笌嫻嬭瘯

1錛夌紪鍐檆lient璋冪敤紼嬪簭

鍏蜂綋紼嬪簭緇嗚妭灝變笉璇﹁堪浜嗭紝鍙槸涓涓渶鏅氱殑鍩轟簬mysql driver鐨刯dbc鐨勬暟鎹簱鎿嶄綔紼嬪簭

2錛夐厤緗暟鎹簱榪炴帴

鏈琧lient鍩轟簬c3p0錛屽叿浣撴暟鎹簮閰嶇疆濡備笅錛?/p>

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" 
    destroy-method="close"> 
    <property name="driverClass" value="com.mysql.jdbc.Driver" /> 
    <property name="jdbcUrl" value="jdbc:mysql://localhost:8066/amoeba_study" /> 
    <property name="user" value="root" /> 
    <property name="password" value="root" /> 
    <property name="minPoolSize" value="1" /> 
    <property name="maxPoolSize" value="1" /> 
    <property name="maxIdleTime" value="1800" /> 
    <property name="acquireIncrement" value="1" /> 
    <property name="maxStatements" value="0" /> 
    <property name="initialPoolSize" value="1" /> 
    <property name="idleConnectionTestPeriod" value="1800" /> 
    <property name="acquireRetryAttempts" value="6" /> 
    <property name="acquireRetryDelay" value="1000" /> 
    <property name="breakAfterAcquireFailure" value="false" /> 
    <property name="testConnectionOnCheckout" value="true" /> 
    <property name="testConnectionOnCheckin" value="false" /> 
</bean> 
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
 destroy-method="close">
 <property name="driverClass" value="com.mysql.jdbc.Driver" />
 <property name="jdbcUrl" value="jdbc:mysql://localhost:8066/amoeba_study" />
 <property name="user" value="root" />
 <property name="password" value="root" />
 <property name="minPoolSize" value="1" />
 <property name="maxPoolSize" value="1" />
 <property name="maxIdleTime" value="1800" />
 <property name="acquireIncrement" value="1" />
 <property name="maxStatements" value="0" />
 <property name="initialPoolSize" value="1" />
 <property name="idleConnectionTestPeriod" value="1800" />
 <property name="acquireRetryAttempts" value="6" />
 <property name="acquireRetryDelay" value="1000" />
 <property name="breakAfterAcquireFailure" value="false" />
 <property name="testConnectionOnCheckout" value="true" />
 <property name="testConnectionOnCheckin" value="false" />
</bean>

鍊煎緱娉ㄦ剰鏄紝client绔彧闇榪炲埌proxy錛屼笌瀹為檯鐨勬暟鎹簱娌℃湁浠諱綍鍏崇郴錛屽洜姝dbcUrl銆乽ser銆乸assword閰嶇疆閮藉搴斾簬amoeba鏆撮湶鍑烘潵鐨勯厤緗俊鎭?/p>

3錛夎皟鐢ㄤ笌嫻嬭瘯

棣栧厛鎻掑叆涓鏉℃暟鎹細insert into zone_by_id(id,name) values(20003,'name_20003')

閫氳繃鏌ョ湅master鏈轟笂鐨勬棩蹇?var/lib/mysql/mysql_log.log錛?/p>

100703 11:58:42       1 Query       set names latin1
                      1 Query       SET NAMES latin1
                      1 Query       SET character_set_results = NULL
                      1 Query       SHOW VARIABLES
                      1 Query       SHOW COLLATION
                      1 Query       SET autocommit=1
                      1 Query       SET sql_mode='STRICT_TRANS_TABLES'
                      1 Query       SHOW VARIABLES LIKE 'tx_isolation'
                      1 Query       SHOW FULL TABLES FROM `amoeba_study` LIKE 'PROBABLYNOT'
                      1 Prepare     [1] insert into zone_by_id(id,name) values(?,?)
                      1 Prepare     [2] insert into zone_by_id(id,name) values(?,?)          
                      1 Execute     [2] insert into zone_by_id(id,name) values(20003,'name_20003')

寰楃煡鍐欐搷浣滃彂鐢熷湪master鏈轟笂

閫氳繃鏌ョ湅slave鏈轟笂鐨勬棩蹇?var/lib/mysql/mysql_log.log錛?/p>

100703 11:58:42       2 Query       insert into zone_by_id(id,name) values(20003,'name_20003')

寰楃煡slave鍚屾鎵ц浜嗚繖鏉¤鍙?/p>

鐒跺悗鏌ヤ竴鏉℃暟鎹細select t.name from zone_by_id t where t.id = 20003

閫氳繃鏌ョ湅slave鏈轟笂鐨勬棩蹇?var/lib/mysql/mysql_log.log錛?/p>

100703 12:02:00      33 Query       set names latin1
                     33 Prepare     [1] select t.name from zone_by_id t where t.id = ?
                     33 Prepare     [2] select t.name from zone_by_id t where t.id = ?   
                     33 Execute     [2] select t.name from zone_by_id t where t.id = 20003 

寰楃煡璇繪搷浣滃彂鐢熷湪slave鏈轟笂

騫朵笖閫氳繃鏌ョ湅slave鏈轟笂鐨勬棩蹇?var/lib/mysql/mysql_log.log鍙戠幇榪欐潯璇彞娌″湪master涓婃墽琛?/p>

閫氳繃浠ヤ笂楠岃瘉寰楃煡綆鍗曠殑master-slave鎼緩鍜屽疄鎴樺緱浠ョ敓鏁?/p>

 

鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛歨ttp://blog.csdn.net/cutesource/archive/2010/07/03/5710645.aspx



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