SQL Server2019数据库备份与还原脚本(批量备份)

USE MASTER
IF EXISTS ( SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[BackupDataProc]') AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )
DROP PROCEDURE BackupDataProc
Go
create proc BackupDataProc
@FullName Varchar(200)--入参（数据库名）
as
begin
Declare @FileFlag varchar(50)
Set @FileFlag='C:\myfile\database\'+@FullName+'.bak'--备份到哪个路径（C:\myfile\database\）根据自己需求来定
BackUp DataBase @FullName To Disk=@FileFlag with init--核心代码
end

exec BackupDataProc xxx

USE MASTER
if exists(SELECT * FROM sys.types WHERE name = 'AllDatabasesNameType')
drop type AllDatabasesNameType
go
create type AllDatabasesNameType as table--自定义表类型用于存储数据库名称
(
rowNum int ,
name nvarchar(60),
filename nvarchar(300)
)
go
IF EXISTS ( SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[BachBackupDataProc]') AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )
DROP PROCEDURE BachBackupDataProc
go
create proc BachBackupDataProc
@filePath nvarchar(300)--入参，备份时的目标路径
as
begin
Declare @AllDatabasesName as AllDatabasesNameType --用于存储系统中的数据库名
Declare @i int --循环变量
insert into @AllDatabasesName(name,filename,rowNum) select name,filename,ROW_NUMBER() over(order by name) as rowNum from sysdatabases where name not in('master','tempdb','model','msdb') --赋值
set @i =1
--循环备份数据库
while @i <= (select COUNT(*) from @AllDatabasesName)
begin
Declare @FileFlag varchar(500)
Declare @FullName varchar(50)
Select @FullName =name from @AllDatabasesName where rowNum = @i
Set @FileFlag=@filePath+@FullName+'.bak'
BackUp DataBase @FullName To Disk=@FileFlag with init
set @i = @i + 1
end
end

exec BachBackupDataProc 'C:\myfile\database\'

IF EXISTS ( SELECT * FROM sysobjects WHERE id = OBJECT_ID(N'[ReductionProc]') AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )
DROP PROCEDURE ReductionProc
go
create proc ReductionProc
@Name nvarchar(200)--入参 数据库名称
as
begin
Declare @DiskName nvarchar(500)
Declare @FileLogName nvarchar(100)
Declare @FileFlagData nvarchar(500)
Declare @FileFlagLog nvarchar(500)
Set @FileLogName = @Name + '_log'
Set @DiskName = 'C:\myfile\database\'+@Name+'.bak' ---（源）备份文件路径
Set @FileFlagData='C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\'+@Name+'.mdf'---（目标）指定数据文件路径
Set @FileFlagLog='C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\'+@FileLogName+'.ldf'---目标）指定日志文件路径
RESTORE DATABASE @Name --为待还原库名
FROM DISK = @DiskName ---备份文件名
WITH MOVE @Name TO @FileFlagData, ---指定数据文件路径
MOVE @FileLogName TO @FileFlagLog, ---指定日志文件路径
STATS = 10, REPLACE
end
go

exec ReductionProc xxx

USE MASTER
restore filelistonly from disk='D:\sql201database\Sence.bak'--根据自己的需求要变更路径

USE MASTER --这里注意要使用MASTER，以免出现待还原库被占用的情况
RESTORE DATABASE Sence --为待还原库名
FROM DISK = 'D:\sql201database\Sence.bak' ---备份文件名
WITH MOVE 'Sence_Guangxi' TO 'D:\Database\Data\Sence.mdf', ---指定数据文件路径
MOVE 'Sence_Guangxi_log' TO 'D:\Database\Data\Sence_log.ldf', ---指定日志文件路径
STATS = 10, REPLACE
GO