Determine if the SQL Server object exists

--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    */   本文出自 “Don‘t Know” 博客，请务必保留此出处http://3941954.blog.51cto.com/3931954/774083

Determine if the SQL Server object exists