View of the primary usage.

xiaoxiao2021-03-06  52

I now found that I really have a very dish for the database!

Create View MyView Assreatment City, Temp_lo, Temp_hi, PRCP, Date, LocationFrom Weather, Citieswhere City = Name

SELECT * from myView;

转载请注明原文地址:https://www.9cbs.com/read-114430.html

New Post(0)