Performance in PDO / PHP / MySQL: transaction versus direct execution

Question

I am looping through a number of values (1 to 100 for example) and executing a prepared statement inside the loop.

Is there and advantage to using a transaction - co

Answer 1

For a faster time you could do all the inserts in one shot, or group them together, perhaps 5 or 10 at a time, as if one insert fails the entire batch will.

http://www.desilva.biz/mysql/insert.html

A transaction will slow you down, so if you don't need it then don't use it.

A prepared statement would be a good choice though even if you did batch inserts, as you don't have to keep building up the query each time.