今天早上昏昏欲睡，看来昨天电影看多了，有一个Q群网友GEELY问到，说如果把SQL SERVER里面的用户权限做迁移，从A迁移到B，当时就挑起兴趣了，之前都是做过数据库的迁移，就是数据库分离，然后附加！安全一点的就是备份，恢复！

用户安全性的迁移貌似没做过，在网上Google了一下，在这里记录了一些信息，列举如下：

环境介绍”

Server Name: SCSQL,Contoso.com IP:192.168.100.125

2. Server Name: SQL2. Contoso.com IP:192.168.100.125

迁移数据库对象： database: SMS_GDA

步骤如下：

1. 在SCSQL.CONTOSO.COM下备份数据库SMS_GDA（完整备份）到 D:\bak\SMS_GDA.BAK,

2. 把SMS_GDA.BAK,复制到SQL2.CONTOSO.COM上，恢复数据库SMS_GDA.BAK

3. 在SCSQL.contoso.com上执行以下语句:

USE master
GO
IF OBJECT_ID ('sp_hexadecimal') IS NOT NULL
    DROP PROCEDURE sp_hexadecimal
GO
CREATE PROCEDURE sp_hexadecimal
        @binvalue varbinary(256),
        @hexvalue varchar (514) OUTPUT
AS
DECLARE @charvalue varchar (514)
DECLARE @i int
DECLARE @length int
DECLARE @hexstring char(16)
SELECT @charvalue = '0x'
SELECT @i = 1
SELECT @length = DATALENGTH (@binvalue)
SELECT @hexstring = '0123456789ABCDEF'
WHILE (@i <= @length)
BEGIN
    DECLARE @tempint int
    DECLARE @firstint int
    DECLARE @secondint int
    SELECT @tempint = CONVERT(int, SUBSTRING(@binvalue,@i,1))
    SELECT @firstint = FLOOR(@tempint/16)
    SELECT @secondint = @tempint - (@firstint*16)
    SELECT @charvalue = @charvalue +
        SUBSTRING(@hexstring, @firstint+1, 1) +
        SUBSTRING(@hexstring, @secondint+1, 1)
    SELECT @i = @i + 1
END

SELECT @hexvalue = @charvalue
GO

IF OBJECT_ID ('sp_help_revlogin') IS NOT NULL
    DROP PROCEDURE sp_help_revlogin
GO
CREATE PROCEDURE sp_help_revlogin @login_name sysname = NULL AS
DECLARE @name sysname
DECLARE @type varchar (1)
DECLARE @hasaccess int
DECLARE @denylogin int
DECLARE @is_disabled int
DECLARE @PWD_varbinary    varbinary (256)
DECLARE @PWD_string    varchar (514)
DECLARE @SID_varbinary varbinary (85)
DECLARE @SID_string varchar (514)
DECLARE @tmpstr    varchar (1024)
DECLARE @is_policy_checked varchar (3)
DECLARE @is_expiration_checked varchar (3)

DECLARE @defaultdb sysname

IF (@login_name IS NULL)
    DECLARE login_curs CURSOR FOR

            SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM
sys.server_principals p LEFT JOIN sys.syslogins l
            ON ( l.name = p.name ) WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name <> 'sa'
ELSE
    DECLARE login_curs CURSOR FOR

            SELECT p.sid, p.name, p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM
sys.server_principals p LEFT JOIN sys.syslogins l
            ON ( l.name = p.name ) WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name = @login_name
OPEN login_curs

FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin
IF (@@fetch_status = -1)
BEGIN
    PRINT 'No login(s) found.'
    CLOSE login_curs
    DEALLOCATE login_curs
    RETURN -1
END
SET @tmpstr = '/* sp_help_revlogin script '
PRINT @tmpstr
SET @tmpstr = '** Generated ' + CONVERT (varchar, GETDATE()) + ' on ' + @@SERVERNAME + ' */'
PRINT @tmpstr
PRINT ''
WHILE (@@fetch_status <> -1)
BEGIN
    IF (@@fetch_status <> -2)
    BEGIN
        PRINT ''
        SET @tmpstr = '-- Login: ' + @name
        PRINT @tmpstr
        IF (@type IN ( 'G', 'U'))
        BEGIN -- NT authenticated account/group

            SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name ) + ' FROM WINDOWS WITH DEFAULT_DATABASE = [' + @defaultdb + ']'
        END
        ELSE BEGIN -- SQL Server authentication
                -- obtain password and sid
                        SET @PWD_varbinary = CAST( LOGINPROPERTY( @name, 'PasswordHash' ) AS varbinary (256) )
                EXEC sp_hexadecimal @PWD_varbinary, @PWD_string OUT
                EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT

                -- obtain password policy state
                SELECT @is_policy_checked = CASE is_policy_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @name
                SELECT @is_expiration_checked = CASE is_expiration_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @name

                        SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name ) + ' WITH PASSWORD = ' + @PWD_string + ' HASHED, SID = ' + @SID_string + ', DEFAULT_DATABASE = [' + @defaultdb + ']'

                IF ( @is_policy_checked IS NOT NULL )
                BEGIN
                    SET @tmpstr = @tmpstr + ', CHECK_POLICY = ' + @is_policy_checked
                END
                IF ( @is_expiration_checked IS NOT NULL )
                BEGIN
                    SET @tmpstr = @tmpstr + ', CHECK_EXPIRATION = ' + @is_expiration_checked
                END
        END
        IF (@denylogin = 1)
        BEGIN -- login is denied access
            SET @tmpstr = @tmpstr + '; DENY CONNECT SQL TO ' + QUOTENAME( @name )
        END
        ELSE IF (@hasaccess = 0)
        BEGIN -- login exists but does not have access
            SET @tmpstr = @tmpstr + '; REVOKE CONNECT SQL TO ' + QUOTENAME( @name )
        END
        IF (@is_disabled = 1)
        BEGIN -- login is disabled
            SET @tmpstr = @tmpstr + '; ALTER LOGIN ' + QUOTENAME( @name ) + ' DISABLE'
        END
        PRINT @tmpstr
    END

    FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @defaultdb, @hasaccess, @denylogin
     END
CLOSE login_curs
DEALLOCATE login_curs
RETURN 0
GO

4. 在SCSQL.CONTOSO.COM下，查看master数据库的存储过程，会多了2个sp.help.revlogin, sp_hexadecimal