请教大家这句SQL查询是啥意思??
这是一句ASP中引用的SQL查询,我不明白的的地方是其中的a.和b.以及“INNER JOIN ”、“on”是什么意思啊??请大家多多指教!谢谢!!
strSql="SELECT a.*, b.ID AS CID,b.UserID AS CUserID,b.RightFlag as CRightFlag FROM Link_info a INNER JOIN Customer_Info b ON a.UserID = b.CustomerID where b.userid='" & UserID & "'"