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![]() 浜屻侀夋嫨瀛樺偍寮曟搸 涓嶮ySQL涓璧鋒彁渚涚殑鍚勭瀛樺偍寮曟搸鍦ㄨ璁℃椂鑰冭檻浜嗕笉鍚岀殑浣跨敤鎯呭喌銆備負浜嗘洿鏈夋晥鍦頒嬌鐢ㄦ彃浠跺紡瀛樺偍浣撶郴緇撴瀯錛屾渶濂戒簡瑙e悇縐嶅瓨鍌ㄥ紩鎿庣殑浼樼偣鍜岀己鐐廣?/font> 鍦ㄤ笅闈㈢殑琛ㄦ牸涓紝姒傝浠嬬粛浜嗕笌MySQL涓璧鋒彁渚涚殑瀛樺偍寮曟搸錛?/font> 涓嬭堪瀛樺偍寮曟搸鏄渶甯哥敤鐨勶細 · MyISAM錛氶粯璁ょ殑MySQL鎻掍歡寮忓瓨鍌ㄥ紩鎿庯紝瀹冩槸鍦╓eb銆佹暟鎹粨鍌ㄥ拰鍏朵粬搴旂敤鐜涓嬫渶甯鎬嬌鐢ㄧ殑瀛樺偍寮曟搸涔嬩竴銆傛敞鎰忥紝閫氳繃鏇存敼STORAGE_ENGINE閰嶇疆鍙橀噺錛岃兘澶熸柟渚垮湴鏇存敼MySQL鏈嶅姟鍣ㄧ殑榛樿瀛樺偍寮曟搸銆?/font> · InnoDB錛氱敤浜庝簨鍔″鐞嗗簲鐢ㄧ▼搴忥紝鍏鋒湁浼楀鐗規э紝鍖呮嫭ACID浜嬪姟鏀寔銆?/font> · BDB錛氬彲鏇夸唬InnoDB鐨勪簨鍔″紩鎿庯紝鏀寔COMMIT銆丷OLLBACK鍜屽叾浠栦簨鍔$壒鎬с?/font> · Memory錛氬皢鎵鏈夋暟鎹繚瀛樺湪RAM涓紝鍦ㄩ渶瑕佸揩閫熸煡鎵懼紩鐢ㄥ拰鍏朵粬綾諱技鏁版嵁鐨勭幆澧冧笅錛屽彲鎻愪緵鏋佸揩鐨勮闂?/font> · Merge錛氬厑璁窶ySQL DBA鎴栧紑鍙戜漢鍛樺皢涓緋誨垪絳夊悓鐨凪yISAM琛ㄤ互閫昏緫鏂瑰紡緇勫悎鍦ㄤ竴璧鳳紝騫朵綔涓?涓璞″紩鐢ㄥ畠浠傚浜庤濡傛暟鎹粨鍌ㄧ瓑VLDB鐜鍗佸垎閫傚悎銆?/font> · Archive錛氫負澶ч噺寰堝皯寮曠敤鐨勫巻鍙層佸綊妗c佹垨瀹夊叏瀹¤淇℃伅鐨勫瓨鍌ㄥ拰媯绱㈡彁渚涗簡瀹岀編鐨勮В鍐蟲柟妗堛?/font> · Federated錛氳兘澶熷皢澶氫釜鍒嗙鐨凪ySQL鏈嶅姟鍣ㄩ摼鎺ヨ搗鏉ワ紝浠庡涓墿鐞嗘湇鍔″櫒鍒涘緩涓涓昏緫鏁版嵁搴撱傚崄鍒嗛傚悎浜庡垎甯冨紡鐜鎴栨暟鎹泦甯傜幆澧冦?/font> · Cluster/NDB錛歁ySQL鐨勭皣寮忔暟鎹簱寮曟搸錛屽挨鍏墮傚悎浜庡叿鏈夐珮鎬ц兘鏌ユ壘瑕佹眰鐨勫簲鐢ㄧ▼搴忥紝榪欑被鏌ユ壘闇姹傝繕瑕佹眰鍏鋒湁鏈楂樼殑姝e父宸ヤ綔鏃墮棿鍜屽彲鐢ㄦс?/font> · Other錛氬叾浠栧瓨鍌ㄥ紩鎿庡寘鎷珻SV錛堝紩鐢ㄧ敱閫楀彿闅斿紑鐨勭敤浣滄暟鎹簱琛ㄧ殑鏂囦歡錛夛紝Blackhole錛堢敤浜庝復鏃剁姝㈠鏁版嵁搴撶殑搴旂敤紼嬪簭杈撳叆錛夛紝浠ュ強Example寮曟搸錛堝彲涓哄揩閫熷垱寤哄畾鍒剁殑鎻掍歡寮忓瓨鍌ㄥ紩鎿庢彁渚涘府鍔╋級銆?/font> 璇瘋浣忥紝瀵逛簬鏁翠釜鏈嶅姟鍣ㄦ垨鏂規錛屼綘騫朵笉涓瀹氳浣跨敤鐩稿悓鐨勫瓨鍌ㄥ紩鎿庯紝浣犲彲浠ヤ負鏂規涓殑姣忎釜琛ㄤ嬌鐢ㄤ笉鍚岀殑瀛樺偍寮曟搸錛岃繖鐐瑰緢閲嶈銆?/font> 涓夈佸皢瀛樺偍寮曟搸鎸囧畾緇欒〃 鍙互鍦ㄥ垱寤烘柊琛ㄦ椂鎸囧畾瀛樺偍寮曟搸錛屾垨閫氳繃浣跨敤ALTER TABLE璇彞鎸囧畾瀛樺偍寮曟搸銆?/font> 瑕佹兂鍦ㄥ垱寤鴻〃鏃舵寚瀹氬瓨鍌ㄥ紩鎿庯紝鍙嬌鐢‥NGINE鍙傛暟錛?/font> CREATE TABLE engineTest(
id INT ) ENGINE = MyISAM; 涔熷彲浠ヤ嬌鐢═YPE閫夐」鍒癈REATE TABLE璇彞鏉ュ憡璇塎ySQL浣犺鍒涘緩浠涔堢被鍨嬬殑琛ㄣ?/font>
CREATE TABLE engineTest(
id INT
) TYPE = MyISAM;
铏界劧TYPE浠嶇劧鍦∕ySQL 5.1涓鏀寔錛岀幇鍦‥NGINE鏄閫夌殑鏈銆?
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瑕佹兂鏇存敼宸叉湁琛ㄧ殑瀛樺偍寮曟搸錛屽彲浣跨敤ALTER TABLE璇彞錛?/font> ALTER TABLEengineTestENGINE =ARCHIVE;
ALTER TABLE t ENGINE = MYISAM;
ALTER TABLE t TYPE = BDB;
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鍒涘緩table鏃跺彲浠ラ氳繃engine鍏抽敭瀛楁寚瀹氫嬌鐢ㄧ殑瀛樺偍寮曟搸錛屽鏋滅渷鐣ュ垯浣跨敤緋葷粺榛樿鐨勫瓨鍌ㄥ紩鎿庯細 CREATE TABLE t (i INT) ENGINE = MYISAM;
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鏌ョ湅鏌愪釜瀛樺偍寮曟搸鐨勫叿浣撲俊鎭?/font> mysql> show engine InnoDB status\G;
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