SQL Server 执行 cmd 命令

exec sp_configure 'show advanced options',1 --显示高级选项
reconfigure with override--重新配置
    exec sp_configure 'xp_cmdshell',1 --1代表允许，0代表阻止
    reconfigure with override
        exec xp_cmdshell 'dir d:'
    exec sp_configure 'xp_cmdshell',0
    reconfigure with override
exec sp_configure 'show advanced options',0
reconfigure with override