--开启xp_cmdshell

sp_configure ‘show advanced options’, 1;

GO

RECONFIGURE;

GO

sp_configure ‘xp_cmdshell’, 1; --Switch on specific functionality

GO

RECONFIGURE;

GO

--Tab作为行分隔符，\n作为断行符 导出到H盘

EXECUTE master.dbo.xp_cmdshell 'bcp "SELECT TOP 20 PERCENT * FROM MyDB.dbo.table_name" queryout H:\table_name.dat -c -T'