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22.02.2018, 12:41
#39606080
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lex452,
EMERGENCY не нужен
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set nocount on;
use [master]
go
if exists (select 1 from sys.databases where name = 'test')
DROP DATABASE [test];
GO
exec xp_cmdshell 'del "C:\TEMP\test_pri.mdf"', no_output
exec xp_cmdshell 'del "C:\TEMP\test_pri.mdf.safe"', no_output
exec xp_cmdshell 'del "C:\TEMP\test_sec.ndf"', no_output
exec xp_cmdshell 'del "C:\TEMP\test_log.ldf"', no_output
exec xp_cmdshell 'del "C:\TEMP\test_log.ldf.safe"', no_output
GO
CREATE DATABASE [test]
ON PRIMARY
( NAME = N'test_pri' , FILENAME = N'C:\TEMP\test_pri.mdf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB ),
FILEGROUP [SECONDARY] DEFAULT
( NAME = N'test_sec' , FILENAME = N'C:\TEMP\test_sec.ndf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB )
LOG ON
( NAME = N'test_log' , FILENAME = N'C:\TEMP\test_log.ldf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB )
GO
use [test]
GO
CREATE PARTITION FUNCTION [PF](int) AS RANGE RIGHT FOR VALUES ( 100 )
GO
CREATE PARTITION SCHEME [PS] AS PARTITION [PF] TO ([PRIMARY], [SECONDARY])
GO
CREATE TABLE [dbo].[PT]( [ID] [INT] NOT NULL ) ON [PS]([ID])
GO
CREATE UNIQUE CLUSTERED INDEX [IDC_PT] ON [dbo].[PT] ( [ID] ) ON [PS]([ID])
GO
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (1);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (2);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (3);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (99);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (100);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (101);
INSERT INTO [dbo].[PT] ( [ID] ) VALUES (102);
GO
SELECT * FROM [test].[dbo].[PT]
GO
use [master];
GO
ALTER DATABASE [test] SET OFFLINE WITH ROLLBACK IMMEDIATE;
GO
exec xp_cmdshell 'del "C:\TEMP\test_sec.ndf"', no_output
GO
DBCC CheckPrimaryFile ( N'C:\TEMP\test_pri.mdf' , 3 )
GO
-- Это будет база с потерянным NDF
exec xp_cmdshell 'rename "C:\TEMP\test_pri.mdf" "test_pri.mdf.safe"', no_output
exec xp_cmdshell 'rename "C:\TEMP\test_log.ldf" "test_log.ldf.safe"', no_output
GO
DROP DATABASE [test];
GO
CREATE DATABASE [test]
ON PRIMARY
( NAME = N'test_pri' , FILENAME = N'C:\TEMP\test_pri.mdf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB ),
FILEGROUP [SECONDARY] DEFAULT
( NAME = N'test_sec' , FILENAME = N'C:\TEMP\test_sec.ndf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB )
LOG ON
( NAME = N'test_log' , FILENAME = N'C:\TEMP\test_log.ldf' , SIZE = 64MB , MAXSIZE = UNLIMITED, FILEGROWTH = 5MB )
GO
-- Это потерянный файл NDF
ALTER DATABASE [test] MODIFY FILE ( NAME = 'test_sec' , OFFLINE );
GO
ALTER DATABASE [test] SET OFFLINE WITH ROLLBACK IMMEDIATE;
GO
exec xp_cmdshell 'del "C:\TEMP\test_pri.mdf"', no_output
exec xp_cmdshell 'del "C:\TEMP\test_log.ldf"', no_output
exec xp_cmdshell 'rename "C:\TEMP\test_pri.mdf.safe" test_pri.mdf', no_output
exec xp_cmdshell 'rename "C:\TEMP\test_log.ldf.safe" test_log.ldf', no_output
GO
ALTER DATABASE [test] SET ONLINE;
GO
--ALTER DATABASE [test] SET NEW_BROKER;
GO
select name ,user_access_desc ,state_desc ,service_broker_guid ,is_broker_enabled
from sys.databases where name = N'test'
begin try
SELECT * FROM [test].[dbo].[PT];
end try
begin catch
select 'This may limit the query result.'
end catch
GO
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