Specify more than one item in the where clause

Question

Is there any way i could run the following 'logical code' to actually work?

$sql=mysql_query("DELETE FROM users WHERE id='3,4,5,9'");

I basically want to give my user a tick box to tick for all displayed rows, they can then pick which ones to remove... i just want to remove more than one row with the id's specified?

Any ideas?

Answer 1

You can use the IN operator for that.

DELETE ... WHERE id IN (3,4,5,9)

Answer 2

You can use "in" instead of "=".

eg.

DELETE FROM users WHERE id IN (3,4,5,9);

Answer 3

What about :

$sql=mysql_query("DELETE FROM users WHERE id IN (3, 4, 5, 9)");

Provided :

• your ids are numeric in the DB
• you want to delete user 3, and delete user 4, and delete user 5, and delete user 9

And, of course, if your ids are strings :

$sql=mysql_query("DELETE FROM users WHERE id IN ('3', '4', '5', '9')");

For more informations, see :

• IN()
• And, why not : Subqueries with ANY, IN, and SOME

Answer 4

Use a WHERE IN clause.

DELETE FROM users WHERE id IN (3, 4, 5, 9);

Answer 5

Have you tried using IN

DELETE FROM users WHERE id IN (3,4,5,9)

Although in my applications I never delete anything. Instead I have an active flag that I set to false.

UPDATE users set active=0 where id in (3,4,5,9)

All queries then have a where clause for active=1 and 1 is the default value for the active flag in the table.

Answer 6

$sql=mysql_query("DELETE * FROM table WHERE id IN (3,4,5,9)");