1、首先登陆SQL SERVER的企业管理器(用Windows验证登陆)，连接数据库后在数据库的安全性中找到SA账户，然后打开属性，找到SA密码然后输入新的密码即可，现在小编就来说说关于sql数据库忘记sa密码了怎么办?下面内容希望能帮助到你，我们来一起看看吧!
sql数据库忘记sa密码了怎么办
1、首先登陆SQL SERVER的企业管理器(用Windows验证登陆)，连接数据库后在数据库的安全性中找到SA账户，然后打开属性，找到SA密码然后输入新的密码即可。
2、用查询分析器进行修改，打开MS SQL SERVER查询分析器(用Windows验证登陆)，在右边的查询分析器中输入命令"EXEC sp_passwrord NULL '1234','sa'",然后执行，这个命令的意思是将SA密码更改为1234。
3、如果更改密码出现报错信息“错误 2812: 未能找到存储过程 'sp_password”。在查询分析器中执行以下代码：
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
,
