DECLARE @EvId INT,@PiD INT; DECLARE Evaluate CURSOR FOR SELECT EvaluateId,ProductId FROM d…
exec sp_msforeachtable @command1=N' declare @s nvarchar(4000),@tbname sysname select @s=N'…
/* *搜索数据库当前用户的所有表,查出所有含date和time名称, *并且是number(14)类型的字段的日期部分改为当前日期 */ declare type tcur is…
这里提取指定符串"A"在字段中的出现次数SQL为: select len(keyword)-len(replace(keyword, 'A', ' ')) from 表
SELECT 'abc' = 0 返回的是1 写WHERE时注意,不要拿varchar类型字段与0比较了。
SELECT ProductID, ProductName FROM Products Product FOR XML AUTO
CREATE trigger tr_bank3 ON bank3 AFTER INSERT AS Update bank1 set bank1.fmoney=ban…
C:\Documents and Settings\Administrator>mysql -u root Welcome to the MySQL monitor. Com…
-- sp_sqlagent_autostart -- created by gertd@sqldev.net -- NOTE: works on NT/Win2K/WinXP o…
USE AdventureWorks2012; GO -- Create a temporary table variable to hold the output actions…
--union和order by连用需要放在子查询中,否则会报错 --例如: --错误写法: select * from dept1 order by deptno union s…