# Database requirements

The table below lists the supported database engines.

| **Database engine**  | **Requirement**                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| PostgreSQL           | Version: 11 to 15                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Microsoft SQL server | <p>Version:</p><p>• 2022 (MSSQL Server 16.0); 2019 (MSSQL Server 15.0); 2017 (MSSQL Server 14.0); 2016 (MSSQL Server 13.0); 2014 (MSSQL Server 12.0).</p><p>• With bundled Microsoft JDBC driver.</p><p><strong>Notes</strong>:</p><p>• Express Edition is supported.</p><p>• Windows and SQL Server authentication are both supported.</p>                                                                                                                                      |
| Oracle               | <p>Version: 21C, 19C, XE Editions</p><p><strong>Recommendation</strong>: Use the latest Oracle JDBC driver.</p><p><strong>Notes:</strong></p><p>• The driver ojdbc14.jar is not supported.</p><p>• Only the thin mode is supported, not OCI.</p><p>• Only MAX\_STRING\_SIZE=STANDARD parameter is supported, not EXTENDED.</p><p>• The Oracle JDBC driver versions 12.1.0.1 and 12.1.0.2 have major bugs, and are not recommended for use with SonarQube (see more details).</p> |