Comma separated value & wildcards in mysql

Question

I have a value in my database with comma separated data eg.

11,223,343,123

I want to get the data, if it match a certain number (in this exampl

Answer 1

The wp_post_meta table is designed to hold loads of values, and for that simple reason (and because of database normalization, you should not never comma seperated lists as values in databases.

If you absolutely must use it this way, there are some mySQL functions, one being FIND_IN_SET.

Answer 2

Storing stuff in a comma separated list usually is a bad idea, but if you must, use the FIND_IN_SET(str,strlist) function.

WHERE FIND_IN_SET('223',wp_postmeta.meta_value)

If you can change your database and normalise it, you would get faster results. Create an extra table that links meta_values to your primary_id in your table.