Sqlserver开启xp_cmdshell：
EXEC sp_configure ‘show advanced options‘, 1;
RECONFIGURE WITH OVERRIDE;
EXEC sp_configure ‘Ole Automation Procedures‘, 1;
RECONFIGURE WITH OVERRIDE;
EXEC sp_configure ‘show advanced options‘, 0;
exec master..xp_cmdshell "whoami"
原文：https://www.cnblogs.com/kuyeokuye/p/12378409.html