# tPostgresqlInvalidRows

Extracts DB rows that do not match a given data quality pattern, you can then implement any required correction.

The tPostgresqlInvalidRows checks database rows against specific Data Quality patterns (regular expression).

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

### In this section

* [tPostgresqlInvalidRows Standard properties](https://help.qlik.com/talend/en-US/components/7.3/postgresql-validation/tpostgresqlinvalidrows-standard-properties?id=1557)