'SELECT * FROM `Languages` WHERE `Google` IS NOT NULL; returns NULL values?

In my mariadb database this query: SELECT * FROM `Languages` WHERE `Google` IS NOT NULL;

Returns rows where column "Google" is NULL, which it shouldn´t.

As far as I can se the query should be correct: The error in SELECT * FROM events WHERE repeat IS NOT NULL

I've set default value to be NULL for Column Google in phpMyAdmin and allowed NULL values.

Any ideas why the MariaDB might return rows that has NULL values, where I specified there shouldn´t be NULL values?



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