sql數據庫忘記sa密碼了怎麼辦?1、首先登陸SQL SERVER的企業管理器(用Windows驗證登陸)，連接數據庫後在數據庫的安全性中找到SA賬戶，然後打開屬性，找到SA密碼然後輸入新的密碼即可，現在小編就來說說關于sql數據庫忘記sa密碼了怎麼辦?下面内容希望能幫助到你，我們來一起看看吧!

sql數據庫忘記sa密碼了怎麼辦

1、首先登陸SQL SERVER的企業管理器(用Windows驗證登陸)，連接數據庫後在數據庫的安全性中找到SA賬戶，然後打開屬性，找到SA密碼然後輸入新的密碼即可。

2、用查詢分析器進行修改，打開MS SQL SERVER查詢分析器(用Windows驗證登陸)，在右邊的查詢分析器中輸入命令"EXEC sp_passwrord NULL '1234','sa'",然後執行，這個命令的意思是将SA密碼更改為1234。

3、如果更改密碼出現報錯信息“錯誤 2812: 未能找到存儲過程 'sp_password”。在查詢分析器中執行以下代碼：

sp_configure 'allow updates', 1

RECONFIGURE WITH OVERRIDE

go

use master

go

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[sp_password]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)

drop procedure [dbo].[sp_password]

go

create procedure sp_password

@old sysname = NULL, -- the old (current) password

@new sysname, -- the new password

@loginame sysname = NULL -- user to change password on

as

-- SETUP RUNTIME OPTIONS / declare VARIABLES --

set nocount on

declare @self int

select @self = CASE WHEN @loginame is null THEN 1 ELSE 2 END

-- RESOLVE LOGIN NAME

if @loginame is null

select @loginame = suser_sname()

-- CHECK PERMISSIONS (SecurityAdmin per Richard Waymire) --

IF (not is_srvrolemember('securityadmin') = 1)

AND not @self = 1

begin

dbcc auditevent (107, @self, 0, @loginame, NULL, NULL, NULL)

raiserror(15210,-1,-1)

return (1)

end

ELSE

begin

dbcc auditevent (107, @self, 1, @loginame, NULL, NULL, NULL)

end

-- DISALLOW USER TRANSACTION --

set implicit_transactions off

IF (@@trancount > 0)

begin

raiserror(15002,-1,-1,'sp_password')

return (1)

end

-- RESOLVE LOGIN NAME (disallows nt names)

if not exists (select * from master.dbo.syslogins where

loginname = @loginame and isntname = 0)

begin

raiserror(15007,-1,-1,@loginame)

return (1)

end

-- IF non-SYSADMIN ATTEMPTING CHANGE TO SYSADMIN, REQUIRE PASSWORD (218078) --

if (@self <> 1 AND is_srvrolemember('sysadmin') = 0 AND exists

(SELECT * FROM master.dbo.syslogins WHERE loginname = @loginame and isntname = 0

AND sysadmin = 1) )

SELECT @self = 1

-- CHECK OLD PASSWORD IF NEEDED --

if (@self = 1 or @old is not null)

if not exists (select * from master.dbo.sysxlogins

where srvid IS NULL and

name = @loginame and

( (@old is null and password is null) or

(pwdcompare(@old, password, (CASE WHEN xstatus&2048 = 2048 THEN 1 ELSE 0 END)) = 1) ) )

begin

raiserror(15211,-1,-1)

return (1)

end

-- CHANGE THE PASSWORD --

update master.dbo.sysxlogins

set password = convert(varbinary(256), pwdencrypt(@new)), xdate2 = getdate(), xstatus = xstatus & (~2048)

where name = @loginame and srvid IS NULL

-- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE SYSLOGINS CHANGE --

exec('use master grant all to null')

-- FINALIZATION: RETURN SUCCESS/FAILURE --

if @@error <> 0

return (1)

raiserror(15478,-1,-1)

return (0) -- sp_password

GO

sp_configure 'allow updates', 0

RECONFIGURE WITH OVERRIDE