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备份

BACKUP DATABASE [lys] 
TO  DISK = N'D:\liyuanshuai\test\sqlserver_bakfile\lys20241219.bak' 
WITH NOFORMAT, NOINIT,  NAME = N'lys-完整 数据库 备份', 
SKIP, NOREWIND, NOUNLOAD, 
COMPRESSION, 
STATS = 10
GO

完整备份还原

---还原之后可以直接使用
RESTORE DATABASE [lys_12] FROM  DISK = N'D:\liyuanshuai\test\sqlserver_bakfile\lys20241219.bak'
WITH  FILE = 1, 
MOVE N'lys' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12.mdf',  
MOVE N'lys_02' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12_02.ndf', 
MOVE N'lys_sec' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12_sec.ndf',  
MOVE N'lys_if' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12_if.ndf',  
MOVE N'lys_log' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12_log.ldf', 
MOVE N'lys_log2' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_12_log2.ldf',  
NOUNLOAD,  STATS = 5GO

分阶段还原，先还原全备，使数据库处于noreovery状态，然后再还原日志备份

---还原后可以继续还原log file
USE [master]
RESTORE DATABASE [lys_12] 
FROM  DISK = N'D:\liyuanshuai\test\sqlserver_bakfile\lys20241219.bak' 
WITH  FILE = 1,  
MOVE N'lys' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys.mdf',
MOVE N'lys_02' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_02.ndf',
MOVE N'lys_sec' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_sec.ndf', 
MOVE N'lys_if' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_if.ndf', 
MOVE N'lys_log' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_log.ldf',  
MOVE N'lys_log2' TO N'D:\liyuanshuai\test\sqlserver_bakfile\lys\lys_log2.ldf', 
NORECOVERY,  NOUNLOAD,  STATS = 5GO--还原日志备份
RESTORE LOG [lys_12]
FROM  DISK = N'D:\liyuanshuai\test\sqlserver_bakfile\lys20241219_1307.trn' 
WITH  NOUNLOAD,  STATS = 10
GO