ORACLE數據庫導入數據總結

1、交換兩列值 update tableName set a=b,b=a 2、創建序列 create sequence 序列名 increment by 每次增加幾 start with 開始數字 maxvalue 最大數字; 查詢序列：select SEQUENCE_OWNER,SEQUENCE_NAME from dba_sequences where  sequence_name like

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