数据库备份、还原、删除、收缩,创建登录用户等操作脚本
数据库备份、还原、删除、收缩,创建登录用户,数据库用户等操作脚本
--备份数据库
use
go
BACKUP DATABASE TO
DISK = N'C:\BackUp\LnkSys11.bak' WITH --备份文件存放路径
NOFORMAT,
INIT, --INIT:覆盖备份;NOINIT: 追加备份
NAME = N'LnkSys11-Full Database Backup',
SKIP,
NOREWIND,
NOUNLOAD,
STATS = 10
GO
--删除数据库
drop database
go
--创建登陆帐户(create login)
if not exists (select 1 from master.dbo.syslogins where Loginname='test')
create login test with password='1234567890', CHECK_POLICY = OFF, default_database=master
go
--还原数据库
USE ;
GO
RESTORE DATABASE FROM
DISK = N'C:\BackUp\LnkSys11.bak' --待还原文件位置
WITH FILE = 1,
--数据库文件,日志文件存放路径,
MOVE N'WCS_Data' TO N'c:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\data\LnkSys11.mdf',
MOVE N'WCS_Log' TO N'c:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\data\LnkSys11.ldf',
RECOVERY,
NOUNLOAD,
--replace, --替换已有数据库
STATS = 10
GO
--收缩数据库,和日志文件
-----------begin-----------
use
go
alter database set recovery simple with NO_WAIT
go
alter database set recovery simple
go
--收缩日志文件
declare @name varchar(50),
@sqlvarchar(100);
SELECT @name = FROM sys.database_files where =1
set @sql = 'dbcc shrinkfile(N'''+@name+''', 10, truncateonly)';
exec (@sql)
go
dbcc shrinkdatabase()
go
--恢复数据库为完整模式
alter database set recovery full with NO_WAIT
go
alter database set recovery full
go
-----------end-----------
--创建数据库(LnkSys11)用户
use
go
if exists (select 1 from sys.sysusers where issqluser=1 and name='test')
exec sp_dropuser 'test'
create user test for login test with default_schema=dbo
go
exec sp_addrolemember 'db_owner', 'test'
go
--判断是否存在用户自定义用户,如果存在则删除。
if exists(select * from sys.database_principals where name='test')
begin
declare @UserRole varchar(20),
@SQL varchar(300);
--获取用户拥有的角色信息。
declare cur_UserRole cursor for select from sys.schemas where principal_id=user_id('test')
open cur_UserRole
fetch next from cur_UserRole into @UserRole
while @@fetch_status=0
begin
--把架构所有者修改回来架构自身
set @SQL = 'alter authorization on schema::['+@UserRole+'] to ['+@UserRole+']; ';
--删除角色拥有的成员 需要高版本(SQL2017测试通过),2008 R2 无效
set @SQL = @SQL+'alter role ['+@UserRole+'] drop member ';
exec(@SQL);
fetch next from cur_UserRole into @UserRole
end
close cur_UserRole;
deallocate cur_UserRole;
--删除用户
drop user ;
end;
go
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