cache_on()

affected_rows()

db_pconnect()

select_max([$select = ''[, $alias = '']])

having($key[, $value = NULL[, $escape = NULL]])

unbuffered_row([$type = 'object'])

group_start()

join($table, $cond[, $type = ''[, $escape = NULL]])

get_compiled_select([$table = ''[, $reset = TRUE]])

or_group_start()