Hi,are u have one potato?

to_date(?,'yyyy/MM/dd HH24:MI:SS')

MERGE INTO BO_xx B1USING (SELECT '1' ID, '12' CODE FROM DUAL) B2ON (B1.ID = B2.ID AND B1.CODE = B2.CODE)WHEN MATCHED THEN UPDATE SET B1.b1= TO_DATE('2022-12-13', 'yyyy-mm-dd hh24:mi

oracle with as  语法,  ========WITH========用于一个语句中某些中间结果放在临时表空间的SQL语句如WITH tempTableName AS (SELECT t.*FROM sales t)SELECT * FROM tempTableName WHERE XXXXXXXXXXXtempTableName 表就是WITH生成的中间

一:简单的语法知识　　1:定义变量给变量赋值　　2:if和else　　3:begin和end　　4:两种case语句　　5:循环　　http://www.cnblogs.com/liulun/articles/1359567.html二:简单的增 删 改 查和一些相关子句  　　1:update　　2:insert　　3:select　　4:dele

alter table table_name rename column name_a to name_b;