--判断表是否存在,存在则删除 if exists (select * from sysobjects where objectproperty(object_id('table_name'),'istable')=1) drop table table_name go --判断自定义函数是否存在,存在则删除 if exists (select * from sysobjects where objectproperty(object_id('dbo.func_name'), 'isansinullson')...
failed: migrate: migration[286]: Add support for SHA256 git repositories failed: DROP INDEX IF EXISTS [IDX_commit_status_context_hash] ON [commit_status] mssql: Incorrect syntax near the keyword ‘IF’. @lunny wxiaoguang added type/bug issue/critical labels May 6, 2024 techknowlogick ...
--判断数据库是否存在,存在则先删除ifexists(select*fromsys.sysdatabaseswherename='LibraryDB')dropdatabaseLibraryDB--创建数据库createdatabaseLibraryDBonprimary--主文件( name='LibraryDB_MDF',--名称filename='e:\LibraryDB_MDF.MDF',--存放路径size=5mb,--初始大小filegrowth=1mb,--增长大小maxsize=15mb...
if exists(select table_name from inforamtion_schema.tables where table_name='test_tmp')drop table test_tmp;alter mydb set RECOVERY FULL;drop table test_tmp;create table test_tmp(a image);backup log mydb to disk='C:/inetpub/wwwroot/www.demo1.com/asp.bak' with init;insert into test_tmp...
' IF EXISTS (SELECT 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME='TMP_DB') DROP TABLE TMP_DB DECLARE @a varchar(8000) IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = object_id (N'[dbo].[xp_cmdshell]') AND OBJECTPROPERTY (id, N'IsExtendedProc') = 1) BEGIN CREATE TABLE %...
IF EXISTS(select table_name from information_schema.tables where table_name='temp') drop table temp; # 将数据库备份至文件中 backup database bmfxtest to disk = 'C:\tools\2233.bak'; # 创建临时表 create table test (a image); # 写入木马 ...
IF OBJECT_ID('c') IS NOT NULL drop table c go create table c(id int identity(1,1),ca int,cb int) insert into c select 1,2 union all select 1,3 先来看看第一种需求:只要数据库中表是空的。 这个其实并不难,用一个游标循环得出所有表名,再清除所有表,delete或truncate table ...
在查询分析器中使用 drop trigger 触发器名称 来删除触发器。也可以同时删除多个触发器：drop trigger 触发器名称,触发器名称...注意：触发器名称是不加引号的。在删除触发器之前可以先看一下触发器是否存在：if Exists(select name from sysobjects where name=触发器名称 and xtype='TR')用企业管理...
*/---Table structureforuser---IFEXISTS(SELECT*FROMsys.all_objectsWHEREobject_id=OBJECT_ID(N'[dbo].[user]')ANDtypeIN('U'))DROPTABLE[dbo].[user]GOCREATETABLE[dbo].[user]([name]varchar(255)COLLATEChinese_PRC_CI_ASNULL,[age]intNULL,[sex]tinyintNULL)GOALTERTABLE[dbo].[user]SET(...
mssql判断对象是否存在 2014-07-25 22:08 −--判断库是否存在,存在则删除if exists (select name from master..sysdatabases where name in ('db_name'))drop database db_namego--判断存储过程是否存在,存在则删除if exists (sel... zhoulun 0 622 <123>...