Question

i would get details from two MySQL tables

tables structure as shown

table:App
|AppID|AppName|AppType|

table:AppRelease
|AppReleaseID|AppID|ReleaseDate|ReleaseVersion|

and written query as shown below

$query="
  SELECT
    A.*,
    B.ReleaseDate,
    B.ReleaseVersion
  FROM       App AS A
  INNER JOIN AppRelease AS B
  WHERE A.AppID = B.AppID
"; 

i get the values when appid is in both tables

but i also want to get values from App table though i dont have data in AppRelease release table

is it possible to write query please help me

Answer 1

Your requirement shouldn’t be inner join.

Use left join:

$query= "SELECT A.*,B.ReleaseDate,B.ReleaseVersion
             from App as A LEFT JOIN AppRelease as B 
             ON A.AppID=B.AppID";