xml_from_result($query[, $params = array()])

not_like($field[, $match = ''[, $side = 'both'[, $escape = NULL]]])

trans_status()

field_exists($field_name, $table_name)

set_dbprefix([$prefix = ''])

list_fields($table)

db_connect($persistent = TRUE)

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

add_field($field)

offset($offset)