1、判断数据库是否存在
if exists (select * from sys.databases where name = '数据库名') 2、判断表是否存在
if exists (select * from sysobjects where id = object_id(N'[表名]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) 3、判断存储过程是否存在
if exists (select * from sysobjects where id = object_id(N'[存储过程名]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) 4、判断临时表是否存在
if object_id('tempdb..#临时表名') is not null 5、判断视图是否存在
--SQL Server 2000
--SQL Server 2005
--判断要创建的函数名是否存在
8、判断列是否存在
if exists(select * from syscolumns where id=object_id('表名') and name='列名') 9、判断列是否自增列
if columnproperty(object_id('table'),'col','IsIdentity')=1
SELECT * FROM sys.columns WHERE object_id=OBJECT_ID('表名') 10、判断表中是否存在索引
if exists(select * from sysindexes where id=object_id('表名') and name='索引名')
SELECT * FROM sys.sysobjects WHERE name='对象名' |