I want to pass following sql query in php
SET @rank=0; SELECT @rank:=@rank+1 AS rank, `percentage_obtained` FROM `result` ORDER BY percentage_obtained DESC
As here
mysql_query('SET @rank=0; SELECT @rank:=@rank+1 AS rank, `percentage_obtained` FROM `result` ORDER BY percentage_obtained DESC') or die(mysql_error());
But it throws following error
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT
@rank:=@rank+1 AS rank,percentage_obtainedFROMresult' at line 1
However it works when I run the query directly inside the database. Please assist.
mysql_query() doesn't support multiple queries, so you need to separate them. Also you can use mysqli_multi_query - but note, that you need mysqli instead of mysql
So
mysql_query('SET @rank=0') or die(mysql_error());
mysql_query('SELECT @rank:=@rank+1 AS rank, `percentage_obtained` FROM `result` ORDER BY percentage_obtained DESC') or die(mysql_error());
should handle this