# MySQL validation components

| [tMySQLInvalidRows](https://help.qlik.com/talend/en-US/components/8.0/mysql-validation/tmysqlinvalidrows) | Checks MySQL database rows against specific Data Quality patterns (regular<br>expression) or Data Quality rules (business rule). |
| --- | --- |
| [tMySQLValidRows](https://help.qlik.com/talend/en-US/components/8.0/mysql-validation/tmysqlvalidrows) | Checks MySQL database rows against Data Quality patterns (regular<br>expression). |