How to show the difference between two data field in a database with php.

Posted on 16th Feb 2014 07:03 pm by admin

Hello php gurus,

how r u all... i'm not so well facing a typical problem please help me...
i'm working with php and mysql.

my problem is...
in a data base have two integer field like parent_id & child_id. i want to make the difference between the data of the two data field. such as...
table name: tbl_something
field name: parent_id and child_id
data in the field like this: parent_id: 10,12,13,14,15. and child_id: 10,11,13,14,16.
by making the difference between them my wanted result will be like this:
different parent id=12,15 and different child id =11,16.

please if any one can help please help... i'm in very problem.

thanks

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