# tMySQLValidRows

Checks MySQL database rows against Data Quality patterns (regular expression).

tMySQLValidRows allows you to extract DB rows that match a given Data Quality pattern.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/mysql-validation).

### In this section

* [tMySQLValidRows Standard properties](https://help.qlik.com/talend/en-US/components/7.3/mysql/tmysqlvalidrows-standard-properties?id=4298)