Finding the next available id in MySQL

Question

I have to find the next available id (if there are 5 data in database, I have to get the next available insert place which is 6) in a MySQL database. How can I do that? I h

Answer 1

One way to do it is to set the index to be auto incrementing. Then your SQL statement simply specifies NULL and then SQL parser does the rest for you.

INSERT INTO foo VALUES (null);