auto increment Wert (nächst größeren :)):
SELECT (AUTO_INCREMENT + 1) AS next_auf_id FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'datenbankname' AND TABLE_NAME = 'tabellenname'
Alle Infos zu einer Tabelle:
SHOW TABLE STATUS FROM `datenbankname` WHERE `name` LIKE 'tabellenname'