楹葷儲鏉ヤ簡銆傚悓瀛︾敤100W琛屾暟鎹潵嫻嬭瘯銆傚彂鐜版瘮杈冨崱銆傜劧鍚庤拷韙猦ibernate鐨凷QL鏃ュ織鍙戠幇鏈塼rim鐨勮鍙ュ氨鎱€傜劧鍚庢妸姝QL璇彞鍦≒L/SQL瀹㈡埛绔瘯涓嬶紝鍙戠幇鍦?6縐掓墠鑳芥壘鍒扮粨鏋溿傛睏錛佽繖涔堜弗閲嶏紒鍘諱簡TRIM涓嶅埌1縐掔殑浜嬫儏銆?br />
瀛楁綾誨瀷鐨勮璁′笉濂斤紝灝辮繖鏍?..
鍙互鐪嬩笅 oracle jdbc char 瀛楁 PreparedStatement 鏌ヨ闂
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alter table xxx enable row_movement;
浣嗘垜娌℃湁璇曚篃娌℃湁榪欐牱鍋氾紝鍙兘鏄笉鏀懼績錛岃В鍐沖姙娉曟槸涓嶆洿鏂板垎鍖虹殑鍏抽敭瀛?鍥犱負緋葷粺涓嶇敤鏇存柊瀹冪殑錛屼箣鍓嶆洿鏂版槸鍥犱負hibernate澶勭悊瀹冧簡)銆傚鏋滅殑紜鏇存柊鍙互鍏堝垹闄や簡錛屽啀娣誨姞涓涓傚紩鐢?a >http://www.itpub.net/283642,1.html
Question: Why am I getting an ora-14402 error when I update a partition key
Answer: You cannot update the value of the partition key, the only way you can go about this is by deleting the old row and adding a new row to the table
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瀵瑰簲鐨刯dbc鍦╫racle瀹夎鐩綍鍙互鎵懼埌oracle\product\10.2.0\db_1\jdbc\lib\ojdbc14.jar
闂鎬葷畻瑙ｅ喅錛宆_^
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ptmt.setString(1,"year");
榪欐牱涔熶笉琛岋紝浠ユ槸緇撹鏄細jdbc椹卞姩PrepareStatement瀵筩har瀛楁綾誨瀷鐨勬煡鎵鵑棶棰橈紝鍥犱負hibernate鏄敤PrepareStatement鐨勶紝鑷劧錛宧ibernate瀵筩har瀵瑰簲鐨勫睘鎬ф潯浠舵煡鎵懼嚭鐜版壘涓嶅埌鐨勬儏鍐碉紝
瑙ｅ喅鍔炴硶鏄細
1錛庡睘鎬х敤TRIM鍑芥暟澶勭悊錛歴ession.find("from TableName where TRIM(id)=?","value");
2錛巆har鏀逛負varchar2綾誨瀷
浠婂ぉ璇曚簡涓媘ysql錛屽畠涓嶄細榪欐牱鐨勬儏鍐碉紝鎵浠ョ粨璁烘槸錛歄racle JDBC PreparedStatement鐨刡ug(鏈夊彲鑳藉畠鏁呮剰榪欐牱)
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create table a ( a char(1) check (a in(0,1)))
鐒跺悗JDBC鐢╣etBoolean()鍙互榪斿洖姝ｇ‘鐨勭粨鏋溿?
JDBC鎴戠敤ojdbc14.jar
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drive_type鏈塼hin鍜宱ci
濡?
jdbc:oracle:thin:@localhost:1521:my_db
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