1.判断是否存在addOneArticle这个存储过程 if Exists(select name from sysobjects where NAME = 'addOneArticle' and type='P') drop procedure addOneArticle 2.判断是否存在countAr这个触发器 if exists(select * from dbo.sysobjects where id = object_id(N'[dbo].[countAr]') and OBJECTP…

sql 判断 函数 存储过程是否存在的方法 (2010-12-03 10:08:57) 转载▼     下面为您介绍sql下用了判断各种资源是否存在的代码,需要的朋友可以参考下,希望对您学习sql的函数及数据库能够有所帮助.库是否存在if exists(select * from master..sysdatabases where name=N'库名')print 'exists'elseprint 'not exists'----------------- 判断要创建的表名是否存在if ex…

1 判断数据库是否存在 if exists (select * from sys.databases where name = '数据库名')     drop database [数据库名] 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)     drop table [表名] 3 判断存储过程是否存在…

--数据库是否存在 IF exists(SELECT * FROM master..sysdatabases WHERE name=N'库名') PRINT 'exists' ELSE PRINT 'not exists' --------------- -- 判断要创建的表名是否存在 ) -- 删除表 DROP TABLE [dbo].[表名] GO --------------- --判断要创建临时表是否存在 IF Object_Id('Tempdb.dbo.#Test') Is Not N…

下面为您介绍sql下用了判断各种资源是否存在的代码,需要的朋友可以参考下,希望对您学习sql的函数及数据库能够有所帮助.库是否存在if exists(select * from master..sysdatabases where name=N'库名')print 'exists'elseprint 'not exists'----------------- 判断要创建的表名是否存在if exists (select * from dbo.sysobjects where id = object…

判断表是否存在: 语法: SELECT * FROM dbo.SysObjects where id = object_id(N'表名') 例子: SELECT * FROM dbo.SysObjects where id = object_id(N'ExchangeLog') if exists(SELECT * FROM dbo.SysObjects where id = object_id(N'ExchangeLog')) print '表存在' else print '表不存在' 判断列…

// 判断表是否存在 $db_info = explode ( '.', $table ); $db_name = $db_info [0]; $t_name = $db_info [1]; $t_sql = "SHOW TABLES from $db_name LIKE '{$t_name}'"; $re = $this->mysql->getAll ( $t_sql );…

转自:http://www.cnblogs.com/yugen/archive/2010/07/25/1784749.html 1.判断数据表是否存在 方法一: use yourdb;go if object_id(N'tablename',N'U') is not nullprint '存在'else print '不存在' 例如:use fireweb;go if object_id(N'TEMP_TBL',N'U') is not nullprint '存在'else print '不存在…

-- Oracle 11 G --20160921 涂聚文再次修改 --Geovin Du --GetTables SELECT owner, object_name, created FROM all_objects WHERE (owner in ( select USERNAME from user_users )) AND object_type = 'TABLE' ORDER BY owner, object_name; ---GEOVIN SELECT owner, object_n…

if object_id(N'tablename',N'U') is not nulldrop table tablenamego if exists (select * from sysobjects where id = object_id(N'[dbo].[tbname]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)drop table [dbo].[tbname]go…