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 Complex sql sub query
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Momoh
Starting Member

1 Posts

Posted - 09/28/2012 :  19:19:13  Show Profile  Reply with Quote



I am building a small social network for my department.

I have the homepage as a place where you can make comments and your friends can comment on it.

I have 4 tables ...allposts_tb, friendship_tb,response_tb and signup_tb..

The allposts_tb collect the updates and post made by people it has the following columns (all_id(PK),name,comment,time)

The friendship_tb as the columns (friend_id(Pk),myname,newfriend,status)

The response_tb as columns(id(Pk),name,response,all_id(Fk),time)

The signup_tb as columns (signup_id,lastname,firstname,email,password,country,profilepicture)

I can display comments made by people easily using the sql query below

SELECT allposts_tb.all_id,allposts_tb.name,allposts_tb.comment, allposts_tb.time,
friendship_tb.myname,friendship_tb.newfriend,signup_tb.firstname,
signup_tb.lastname,signup_tb.email,signup_tb.profilepicture,
allposts_tb.expand
FROM allposts_tb,friendship_tb,signup_tb
WHERE allposts_tb.name = friendship_tb.newfriend
and friendship_tb.myname=colname and
allposts_tb.name=signup_tb.email
ORDER BY allposts_tb.all_id DESC

colname=$_SESSION['MM_Username']

Well am having problems displaying responses made by people on a particular comment right below the comment...just like replicating facebook's page.Immediately you say something,it should be displayed right below the comment... I know am meant to use a sub query. right inside the query i gave you guys..have read a lot of web pages but cant get it to work...please help me...

visakh16
Very Important crosS Applying yaK Herder

India
52325 Posts

Posted - 10/01/2012 :  11:06:40  Show Profile  Reply with Quote
can you show some sample data from tables and explain how you want output to be displayed?

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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