æ´æ°æ¥è¯¢:æ ¼å¼:UPDATE 表å SET å段å = å¼ WHERE (æ¡ä»¶);ææ¡ä»¶æ´æ¹ç¬¦åæ¡ä»¶çå¼.
çæ表æ¥è¯¢:SELECT å段1, å段2,......,å段n INTO æ°è¡¨å FROM æºè¡¨å WHERE (æ¡ä»¶);ææ¡ä»¶çéè®°å½,å°æå®å段ç»ææ°æ°æ®è¡¨.
追å æ¥è¯¢:INSERT INTO ç®æ 表å SELECT å段1, å段2,......,å段n FROM æºè¡¨å WHERE (æ¡ä»¶);ææ¡ä»¶çéè®°å½,å°æå®å段追å è¿ç®æ 表.
å é¤æ¥è¯¢:DELETE * FROM 表å WHERE (æ¡ä»¶);å é¤ç¬¦åæ¡ä»¶çè®°å½.
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