Regarding sql query to show followers data on newsfeed

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I am implementing similar website like twitter.com and i have two table one having tweet information and one having followers information and i want to show data from tweet where in tweet table userid=@userid as well as in Followers table userid=FollowTOid.
for example:
in tweet table user id=1 and in followers table i want to know that userid 1s following list so in follow table userid(1)=FollowToid.

bcoz in twitters news feed we can see our own tweets as well as following tweet

so please tell me how i can write query for it in sql.

Posted 14-May-15 12:08pm

vishal2592

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2 solutions

Solution 1

It looks like you want to join the two tables together like the following

SQL

select t.* from TweetTable t left join FollowerTable F on t.userid = f.followTOid where t.userid = @userid

There are different types of joins and your old friend google, will have lots of information on this subject

Posted 14-May-15 15:05pm

RossMW

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vishal2592 · Accepted Answer · 2015-05-15T08:14:00

Solution 2

Select * from Tweet where userid in (select FollowToId from Follow where userid =@userid)

Posted 15-May-15 8:14am

vishal2592