# Page Not Found

The URL `data-integration-perspective-in-the-pdi-client/advanced-topics-pdi-perspective/pdi-run-modifiers/variables` does not exist.

You might be looking for one of these pages:
- [Unsupported databases](https://docs.pentaho.com/pdia-data-integration/data-integration-issues/troubleshooting-database-connections/unsupported-databases.md)
- [With LDAP authentication, the PDI Repository Explorer is empty](https://docs.pentaho.com/pdia-data-integration/data-integration-issues/with-ldap-authentication-the-pdi-repository-explorer-is-empty.md)
- [Force PDI to use DATE instead of TIMESTAMP in Parameterized SQL queries](https://docs.pentaho.com/pdia-data-integration/data-integration-issues/troubleshooting-database-connections/force-pdi-to-use-date-instead-of-timestamp-in-parameterized-sql-queries.md)
- [Improving performance when writing multiple files](https://docs.pentaho.com/pdia-data-integration/data-integration-issues/improving-performance-when-writing-multiple-files.md)
- [PDI does not recognize changes made to a table](https://docs.pentaho.com/pdia-data-integration/data-integration-issues/troubleshooting-database-connections/pdi-does-not-recognize-changes-made-to-a-table.md)

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