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’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop ...
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’[存储过程名]’) and OBJECTPROPERTY(id, N’IsProcedure’) = 1) drop ...
drop table [表名] if exists (select * from sysobjects where id = object_id(N’[表名]’) and OBJECTPROPERTY(id, N’IsUserTable’) = 1) drop table [表名] 3 判断存储过程是否存在 Sql代码 if exists (select * from sysobjects where id = object_id(N’[存储过程名]’) and OBJECTPROPERTY...
--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]’ --...
drop function [dbo].[函数名] 7 获取用户创建的对象信息 SELECT [name],[id],crdate FROM sysobjects where xtype='U' 8 判断列是否存在 if exists(select * from syscolumns where id=object_id('表名') and name='列名') alter table 表名 drop column 列名 ...
_locksWHEREresource_database_id=DB_ID()ANDresource_type='OBJECT'ANDresource_associated_entity_id=OBJECT_ID('MyTable'))BEGIN-- 删除字段ALTERTABLEMyTableDROPCOLUMNMyColumn;-- 检查字段是否成功删除IFNOTEXISTS(SELECT*FROMsys.columnsWHEREobject_id=OBJECT_ID('MyTable')ANDname='MyColumn')BEGINPRINT'...
DROPobject_typeIFEXISTSobject_name 能够用于DROP的object_type，如Tables, Database, Function, Trigger, Stored Procedure, Column, User, Type, View, Schema，皆可套用,比如：ALTER TABLE PERSONDROP COLUMN If EXISTS NAME SQL Server 2016新特性：DROP IF EXISTS 标签：basesysges.netschfunctionname...
原来这个SQL Server的字段,不是普通定义的表字段,而是通过这几个操作定义的。 1. 创建一个默认值对象, 代码语言:javascript 代码运行次数:0 AI代码解释 ifnotexists(select1from sys.sysobjects where uid=schema_id(schema_name())and name like'chardt'and xtype='D')exec sp_executesqlN'create default [...
I don't like these, and if you also don't like them, then you might try new DROP IF EXISTS (a.k.a. DIE :) ) statements in SQL Server 2016.From SQL Server 2016 CTP3 you can use new DIE statements instead of big IF wrappers, e.g.:...
(@sql_stmt)ENDEXECDuplicated_PermitNo_Work'AbudullahKhan_House_SupplyDataForRoom_Zhangjiagang_zhili_copy1'---例2:---判断是否存在要建立的存储过程,如果存在就先删除IFEXISTS(SELECT*FROMsys.objectsWHEREobject_id=OBJECT_ID(N'sp_View_Property_Room_Type_Condition')ANDTYPEIN(N'P'))DROPPROCEDUREsp_Vi...