Hi! I am testing the PHP PDO library versus the old style PHP postgres functions. I noted that PDO library declare and prepare every statement. I mean: $s = $db->query("select * from test where field=1"); is equivalent to $s = $db->prepare("select * from test where field=?"); $s->execute(array('1')); I logged the queries sent to the database and i saw that they are the same (apart obviously the parameter): PREPARE pdo_pgsql_stmt_b7a71234 AS select * from test where field=1 <BIND> EXECUTE <unnamed> [PREPARE: select * from test where field=1] PREPARE pdo_pgsql_stmt_b7a713b0 AS select * from test where field=$1 <BIND> EXECUTE <unnamed> [PREPARE: select * from test where field=$1] Speaking about postgresql performance... would not it be more efficient executing directly the query in the first case ($db->query) than preparing a statement without parameters and then executing it? Thank you in advance, Denis