データベースのバックアップとリカバリのストレージ・プロシージャ
12720 ワード
， 。
。 。
T-SQL ,
SQL Server ：
1． SQL Server
2． SQL
3． SQL ，
4． SQL
/*1.--
@dbname
, SQL
NULL, SQL
*/
/*--
select =dbo.f_getdbpath('tempdb')
,[ SQL SERVER ]=dbo.f_getdbpath('')
,[ SQL SERVER ]=dbo.f_getdbpath(null)
--*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[f_getdbpath]') and xtype in (N'FN', N'IF', N'TF'))
drop function [dbo].[f_getdbpath]
GO
create function f_getdbpath(@dbname sysname)
returns nvarchar(260)
as
begin
declare @re nvarchar(260)
if @dbname is null or db_id(@dbname) is null
select @re=rtrim(reverse(filename)) from master..sysdatabases where name='master'
else
select @re=rtrim(reverse(filename)) from master..sysdatabases where name=@dbname
if @dbname is null
set @re=reverse(substring(@re,charindex('\',@re)+5,260))+'BACKUP'
else
set @re=reverse(substring(@re,charindex('\',@re),260))
return(@re)
end
go
/*2.--
*/
/*--
--
exec p_backupdb @bkpath='c:\',@bkfname='db_\DATE\_db.bak'
--
exec p_backupdb @bkpath='c:\',@bkfname='db_\DATE\_df.bak',@bktype='DF'
--
exec p_backupdb @bkpath='c:\',@bkfname='db_\DATE\_log.bak',@bktype='LOG'
--*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_backupdb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_backupdb]
GO
create proc p_backupdb
@dbname sysname='', -- ,
@bkpath nvarchar(260)='', -- , SQL
@bkfname nvarchar(260)='', -- , \DBNAME\ ,\DATE\ ,\TIME\
@bktype nvarchar(10)='DB', -- :'DB' ,'DF' ,'LOG'
@appendfile bit=1 -- /
as
declare @sql varchar(8000)
if isnull(@dbname,'')='' set @dbname=db_name()
if isnull(@bkpath,'')='' set @bkpath=dbo.f_getdbpath(null)
if isnull(@bkfname,'')='' set @bkfname='\DBNAME\_\DATE\_\TIME\.BAK'
set @bkfname=replace(replace(replace(@bkfname,'\DBNAME\',@dbname)
,'\DATE\',convert(varchar,getdate(),112))
,'\TIME\',replace(convert(varchar,getdate(),108),':',''))
set @sql='backup '+case @bktype when 'LOG' then 'log ' else 'database ' end +@dbname
+' to disk='''+@bkpath+@bkfname
+''' with '+case @bktype when 'DF' then 'DIFFERENTIAL,' else '' end
+case @appendfile when 1 then 'NOINIT' else 'INIT' end
print @sql
exec(@sql)
go
/*3.--
*/
/*--
--
exec p_RestoreDb @bkfile='c:\db_20031015_db.bak',@dbname='db'
--
exec p_RestoreDb @bkfile='c:\db_20031015_db.bak',@dbname='db',@retype='DBNOR'
exec p_backupdb @bkfile='c:\db_20031015_df.bak',@dbname='db',@retype='DF'
--
exec p_RestoreDb @bkfile='c:\db_20031015_db.bak',@dbname='db',@retype='DBNOR'
exec p_backupdb @bkfile='c:\db_20031015_log.bak',@dbname='db',@retype='LOG'
--*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_RestoreDb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_RestoreDb]
GO
create proc p_RestoreDb
@bkfile nvarchar(1000), --
@dbname sysname='', -- ,
@dbpath nvarchar(260)='', -- , SQL
@retype nvarchar(10)='DB', -- :'DB' ,'DBNOR' , ,'DF' ,'LOG'
@filenumber int=1, --
@overexist bit=1, -- , @retype
@killuser bit=1 -- , @overexist=1
as
declare @sql varchar(8000)
--
if isnull(@dbname,'')=''
select @sql=reverse(@bkfile)
,@sql=case when charindex('.',@sql)=0 then @sql
else substring(@sql,charindex('.',@sql)+1,1000) end
,@sql=case when charindex('\',@sql)=0 then @sql
else left(@sql,charindex('\',@sql)-1) end
,@dbname=reverse(@sql)
--
if isnull(@dbpath,'')='' set @dbpath=dbo.f_getdbpath('')
--
set @sql='restore '+case @retype when 'LOG' then 'log ' else 'database ' end+@dbname
+' from disk='''+@bkfile+''''
+' with file='+cast(@filenumber as varchar)
+case when @overexist=1 and @retype in('DB','DBNOR') then ',replace' else '' end
+case @retype when 'DBNOR' then ',NORECOVERY' else ',RECOVERY' end
print @sql
--
if @retype='DB' or @retype='DBNOR'
begin
--
declare @lfn nvarchar(128),@tp char(1),@i int
-- ,
create table #tb(ln nvarchar(128),pn nvarchar(260),tp char(1),fgn nvarchar(128),sz numeric(20,0),Msz numeric(20,0))
--
insert into #tb exec('restore filelistonly from disk='''+@bkfile+'''')
declare #f cursor for select ln,tp from #tb
open #f
fetch next from #f into @lfn,@tp
set @i=0
while @@fetch_status=0
begin
select @sql=@sql+',move '''+@lfn+''' to '''+@dbpath+@dbname+cast(@i as varchar)
+case @tp when 'D' then '.mdf''' else '.ldf''' end
,@i=@i+1
fetch next from #f into @lfn,@tp
end
close #f
deallocate #f
end
--
if @overexist=1 and @killuser=1
begin
declare @spid varchar(20)
declare #spid cursor for
select spid=cast(spid as varchar(20)) from master..sysprocesses where dbid=db_id(@dbname)
open #spid
fetch next from #spid into @spid
while @@fetch_status=0
begin
exec('kill '+@spid)
fetch next from #spid into @spid
end
close #spid
deallocate #spid
end
--
exec(@sql)
go
/*4.--
*/
/*--
--
exec p_createjob @jobname='mm',@sql='select * from syscolumns',@freqtype='month'
--
exec p_createjob @jobname='ww',@sql='select * from syscolumns',@freqtype='week'
--
exec p_createjob @jobname='a',@sql='select * from syscolumns'
-- , 4
exec p_createjob @jobname='b',@sql='select * from syscolumns',@fsinterval=4
--*/
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_createjob]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_createjob]
GO
create proc p_createjob
@jobname varchar(100), --
@sql varchar(8000), --
@dbname sysname='', --
@freqtype varchar(6)='day', -- ,month ,week ,day
@fsinterval int=1, --
@time int=170000 -- , , 0 23:59
as
if isnull(@dbname,'')='' set @dbname=db_name()
--
exec msdb..sp_add_job @job_name=@jobname
--
exec msdb..sp_add_jobstep @job_name=@jobname,
@step_name = ' ',
@subsystem = 'TSQL',
@database_name=@dbname,
@command = @sql,
@retry_attempts = 5, --
@retry_interval = 5 --
--
declare @ftype int,@fstype int,@ffactor int
select @ftype=case @freqtype when 'day' then 4
when 'week' then 8
when 'month' then 16 end
,@fstype=case @fsinterval when 1 then 0 else 8 end
if @fsinterval<>1 set @time=0
set @ffactor=case @freqtype when 'day' then 0 else 1 end
EXEC msdb..sp_add_jobschedule @job_name=@jobname,
@name = ' ',
@freq_type=@ftype , -- ,8 ,16
@freq_interval=1, --
@freq_subday_type=@fstype, --
@freq_subday_interval=@fsinterval, --
@freq_recurrence_factor=@ffactor,
@active_start_time=@time -- 17:00:00
go
/*-- -- :
（ ）+ （ ）+ （ 2 ）
--*/
declare @sql varchar(8000)
-- （ ）
set @sql='exec p_backupdb @dbname='' '''
exec p_createjob @jobname=' ',@sql,@freqtype='week'
-- （ ）
set @sql='exec p_backupdb @dbname='' '',@bktype='DF''
exec p_createjob @jobname=' ',@sql,@freqtype='day'
-- （ 2 ）
set @sql='exec p_backupdb @dbname='' '',@bktype='LOG''
exec p_createjob @jobname=' 2 ',@sql,@freqtype='day',@fsinterval=2
/*-- 2
：PRODUCE
：
1. , PRODUCE , ,
2. , : , ,
3. ， 。
: produce , TABLE 。
--*/
declare @sql varchar(8000)
--1. , 1 16:40 :
set @sql='
declare @path nvarchar(260),@fname nvarchar(100)
set @fname=''PRODUCE_''+convert(varchar(10),getdate(),112)+''_m.bak''
set @path=dbo.f_getdbpath(null)+@fname
--
exec p_backupdb @dbname=''PRODUCE'',@bkfname=@fname
--
exec p_RestoreDb @bkfile=@path,@dbname=''PRODUCE_ ''
--
exec p_RestoreDb @bkfile=@path,@dbname=''PRODUCE_ '',@retype=''DBNOR''
--
exec p_RestoreDb @bkfile=@path,@dbname=''PRODUCE_ '',@retype=''DBNOR''
'
exec p_createjob @jobname=' ',@sql,@freqtype='month',@time=164000
--2. , 17:00 :
set @sql='
declare @path nvarchar(260),@fname nvarchar(100)
set @fname=''PRODUCE_''+convert(varchar(10),getdate(),112)+''_w.bak''
set @path=dbo.f_getdbpath(null)+@fname
--
exec p_backupdb @dbname=''PRODUCE'',@bkfname=@fname,@bktype=''DF''
--
exec p_backupdb @bkfile=@path,@dbname=''PRODUCE_ '',@retype=''DF''
'
exec p_createjob @jobname=' ',@sql,@freqtype='week',@time=170000
--3. , 17:15 :
set @sql='
declare @path nvarchar(260),@fname nvarchar(100)
set @fname=''PRODUCE_''+convert(varchar(10),getdate(),112)+''_l.bak''
set @path=dbo.f_getdbpath(null)+@fname
--
exec p_backupdb @dbname=''PRODUCE'',@bkfname=@fname,@bktype=''LOG''
--
exec p_backupdb @bkfile=@path,@dbname=''PRODUCE_ '',@retype=''LOG''
'
exec p_createjob @jobname=' ',@sql,@freqtype='day',@time=171500