SELECT * FROM `DB` WHERE `id_key` > 0
SELECT ID FROM `DB` WHERE `id_key` > 0
SELECT ID FROM `DB` WHERE `id_key` < 1
SELECT * FROM `DB` WHERE `id_key` = ok
SELECT value FROM `DB` WHERE `id_key` = 1
SELECT value FROM `DB` WHERE `id_key` != ok
SELECT value FROM `DB` WHERE `id_key` = ok