How to Find a MySQL/MariaDB column that has a numeric value.

Is your app maybe using a text field that may have the numbers, letters text but now you want to search for results that have a column that has a numeric value or specifically 0 or 1.

You can use the SQL query define if it the column has a numeric value.

In this example we'll be querying the WordPress post meta database table.

SELECT * FROM `wp_postmeta` WHERE meta_value REGEXP '^[0-9]$';

How to Find a MySQL/MariaDB column that has a zero value use the SQL query.

SELECT * FROM `wp_postmeta` WHERE meta_value REGEXP '^[0]$';

How to Find a MySQL/MariaDB column that has a value of 1 use this SQL query.

SELECT * FROM `wp_postmeta` WHERE meta_value REGEXP '^[1]$';
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