Question

I have two tables
Say Table-A and Table-B

Table-A

id | Article Name |date
1  | ABC          | 25/2/2011
2  | xyz          | 26/2/2011

Table-B

id | Comment      | Article-id
1  | good         | 1
2  | nice article | 2
3  | Apreciable   | 1

Output required is

Table-C

id | Article Name | date       | NumberOfComments
1  | ABC          | 25/2/2011  | 2
2  | xyz          | 26/2/2011  | 1

Please suggest !!!

Answer 1

Something like this should do (untested, not at home):

SELECT Table-A.id, Table-A.article-name, Table-A.date, (SELECT COUNT(id) FROM Table-B WHERE Article-id=Table-A.id) AS NumberOfComments FROM Table-A;