How can I select the next empty value when inserting into a database using PHP and SQL?

K

Kumori Kage

New member
For instance. i have a database table. this table has 31 rows in it. the first is owner which determines who "owns" the list. the rest are called "slot" followed by a number in order. "slot1" "slot2" all the the way to slot30.

what im trying to do is add to this table a value in the next empty slot.

i'm unsure how to achieve that however.
 
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