判断sqlserver对象是否存在

--查看对象是否已经存在  
--数据库是否存在  
  
--if exists (select * from sys.databases where name = ’数据库名’)    
--  drop database [数据库名]  
     
if exists(select * from sys.databases where name='FGM_POS')  
print '存在' 
--drop database [数据库名]  
  
--表是否存在  
  
--if exists (select * from sysobjects where id = object_id(N’[表名]’) and OBJECTPROPERTY(id, N’IsUserTable’) = 1)    
--  drop table [表名]  
     
if exists (select * from sysobjects where id =OBJECT_ID(N'[FGM_bt_ePlnMain]') and OBJECTPROPERTY(id,N'IsUserTable')=1)  
print '存在' 
--drop table [表名]  
--或  
if exists (select * from sysobjects where id =OBJECT_ID(N'dbo.FGM_bt_ePlnMain') and OBJECTPROPERTY(id,N'IsUserTable')=1)  
print '存在' 
  
--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)    
--  drop procedure [存储过程名]   
     
if exists (select * from sysobjects where id =OBJECT_ID(N'[FGM_sp_SyncePlnMain]') and OBJECTPROPERTY(id,N'IsProcedure')=1)  
print '存在' 
--或  
if exists (select * from sysobjects where id =OBJECT_ID(N'dbo.FGM_sp_SyncePlnMain') and OBJECTPROPERTY(id,N'IsProcedure')=1)  
print '存在' 
  
--临时表是否存在  
  
--if object_id(’tempdb..#临时表名’) is not null      
--  drop table #临时表名   
     
select * into #temp from dbo.FGM_bt_ConsumInfoDetail_B  
if OBJECT_ID ('tempdb..#temp')is not null 
print '存在' 
--或者  
if exists(select * from tempdb.dbo.sysobjects where id=OBJECT_ID(N'tempdb..#temp')and type='U')  
print '存在' 
  
--视图是否存在  
----SQL Server 2000     
--IF EXISTS (SELECT * FROM sysviews WHERE object_id = '[dbo].[视图名]'    
----SQL Server 2005     
--IF EXISTS (SELECT * FROM sys.views WHERE object_id = '[dbo].[视图名]'  --SQL Server 2000  
--IF EXISTS (SELECT * FROM sysviews WHERE object_id = '[dbo].[视图名]’  
----SQL Server 2005  
--IF EXISTS (SELECT * FROM sys.views WHERE object_id = ’[dbo].[视图名]’  
----SQL Server 2008  
if exists (select * from sysobjects where id=OBJECT_ID(N'[dc_adplan]') and type='V')  
print '存在'  
--或  
if exists (select * from sysobjects where id=OBJECT_ID(N'dbo.dc_adplan') and type='V')  
print '存在'  
--drop view dbo.dc_adplan  
  
--函数是否存在  
  
 --if exists (select * from dbo.sysobjects where id = object_id(N’[dbo].[函数名]’) and xtype in (N’FN’, N’IF’, N’TF’))      
 -- drop function [dbo].[函数名]   
     
if exists (select * from dbo.sysobjects where id=OBJECT_ID (N'dbo.GetResourceName')and xtype in (N'FN',N'IF',N'TF'))  
print '存在'  
--或  
if exists (select * from dbo.sysobjects where id=OBJECT_ID (N'[GetResourceName]')and xtype in (N'FN',N'IF',N'TF'))  
print '存在'  
--drop function dbo.GetResourceName  
  
--列是否存在  
  
--if exists(select * from syscolumns where id=object_id(’表名’) and name=’列名’)    
--  alter table 表名 drop column 列名   
  
if exists(select * from syscolumns where id =OBJECT_ID('FGM_bt_ePlnMain') and name='ePlnName')  
print '存在'  
--alter table 表名 drop column 列名  
  
--判断列是否自自增列  
  
--if columnproperty(object_id('table'),'col’,’IsIdentity’)=1    
--  print '自增列'    
--else    
--  print '不是自增列'    
  
if COLUMNPROPERTY(object_id ('FGM_bt_ePlnMain'),'ePlnID','IsIdentity')=1  
print '自增列' 
else 
print '非' 
  
  
--查看数据库中对象  
--select * from sys.sysobjects where name='对象名' 
  
select * from sys.sysobjects where name='FGM_bt_ePlnMain'
  
--获取用户创建的对象信息  
  
SELECT [name],[id],crdate FROM sysobjects where xtype='U'
/*    
xtype 的表示参数类型，通常包括如下这些    
C = CHECK 约束    
D = 默认值或 DEFAULT 约束    
F = FOREIGN KEY 约束    
L = 日志    
FN = 标量函数    
IF = 内嵌表函数    
P = 存储过程    
PK = PRIMARY KEY 约束（类型是 K）    
RF = 复制筛选存储过程    
S = 系统表    
TF = 表函数    
TR = 触发器    
U = 用户表    
UQ = UNIQUE 约束（类型是 K）    
V = 视图    
X = 扩展存储过程    
*/ 
  
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