20.12.2014, 10:51
You don't need to change this unless you want to upload a large (in SA-MP context that's like 100,000 rows) database backup. A normal query during normal operation will never exceed that limit. Given that a a cell is 4 bytes, even if the limit was 1mb you'd be able to send a query 250,000 characters in length, which is more than you'll ever need.