SQL SERVER 小技巧(不用exec实现in()的功能) declare @x varchar(20) SET @x='1,2,3' SELECT @x select * from data0001 where charindex(','+ltrim(rkey)+',',','[email protected]+',')>0 --====================== SQL SERVER 小技巧(多行数据转字符串a,b,c...的写法) declare @Colstr varcha
SQL Server语句操作 --1.获取表的主键字段SELECT name FROM SysColumns WHERE id=Object_Id('表名') and colid=(select top 1 colid from sysindexkeys where id=Object_Id('表名')) select A.COLUMN_NAME from INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE A join(select * from sysob
--1 创建数据库 1 DROP DATABASE mydb1 2 CREATE DATABASE mydb1 ON ( NAME ='mydb1',FILENAME='D:\mydb1.mdf') 3 LOG ON (NAME='mydb1_log' ,FILENAME='D:\mydb1_log.ldf') --示例 1 CREATE DATABASE 高校管理系统数据库 ON ( NAME ='mydb1',FILENAME='D:\高校管理系统数据库.mdf',SIZE=5MB, 2 M