文件组备份还原

-- 参考
USE master;
GO

-- 测试的DB
CREATE DATABASE DB_Test
ON PRIMARY(
	NAME = DB_Test,
	FILENAME = 'C:\DB_Test.mdf'
),
FILEGROUP FG1 (
	NAME = DB_Test_FG1,
	FILENAME = 'C:\DB_Test_fg1.ndf'
),
FILEGROUP FG2 (
	NAME = DB_Test_FG2,
	FILENAME = 'C:\DB_Test_fg2.ndf'
)
LOG ON(
	NAME = DB_Test_LOG,
	FILENAME = 'C:\DB_Test.ldf'
)
GO

-- 各文件组上的表
CREATE TABLE DB_Test.dbo.tb_primary(
	id int
)ON [PRIMARY];

CREATE TABLE DB_Test.dbo.tb_FG1(
	id int
)ON FG1;

CREATE TABLE DB_Test.dbo.tb_FG2(
	id int
)ON FG2;
GO

-- 备份
BACKUP DATABASE DB_Test
	FILEGROUP = N'PRIMARY',
	FILEGROUP = N'FG1'
TO
	DISK = N'C:\DB_Test.bak'
WITH
	INIT
;

-- 删除测试库
ALTER DATABASE DB_Test
SET
	SINGLE_USER
WITH
	ROLLBACK AFTER 0
;
DROP DATABASE DB_Test;
GO

-- 还原测试
RESTORE DATABASE DB_Test
	FILEGROUP = N'PRIMARY',
	FILEGROUP = N'FG1'
FROM
	DISK = N'C:\DB_Test.bak'
;
GO

-- 查询各文件组上的表
SELECT * FROM DB_Test.dbo.tb_primary;
GO
SELECT * FROM DB_Test.dbo.tb_FG1;
GO
SELECT * FROM DB_Test.dbo.tb_FG2;
-- 这个会报错, 因为没有备份/还原文件组 FG2
GO

-- 删除测试
ALTER DATABASE DB_Test
SET
	SINGLE_USER
WITH
	ROLLBACK AFTER 0
;
DROP DATABASE DB_Test;
GO

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