update_batch($table[, $set = NULL[, $value = NULL[, $batch_size = 100]]])

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

optimize_database()

reconnect()

call_function($function)

There are two ways to connect to a database: Automatically Connecting The “auto connect” feature will load

primary($table)

last_query()

insert_string($table, $data)

empty_table([$table = ''])