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DataNucleus provides support for query languages to allow access to the persisted objects. DataNucleus Core supports JDOQL, SQL and JPQL for use with the "rdbms" StoreManager. You can extend DataNucleus's capabilities using the plugin extension org.datanucleus.store_query_query.
| Plugin extension-point | Key | Datastore | Description | Location |
|---|---|---|---|---|
| org.datanucleus.store_query_query | JDOQL | rdbms | Query support for JDOQL | datanucleus-rdbms |
| org.datanucleus.store_query_query | SQL | rdbms | Query support for SQL | datanucleus-rdbms |
| org.datanucleus.store_query_query | JPQL | rdbms | Query support for JPQL | datanucleus-rdbms |
| org.datanucleus.store_query_query | JDOQL | db4o | Query support for JDOQL | datanucleus-db4o |
| org.datanucleus.store_query_query | SQL | db4o | Query support for SQL | datanucleus-db4o |
| org.datanucleus.store_query_query | Native | db4o | DB4O Native query support | datanucleus-db4o |
| org.datanucleus.store_query_query | JDOQL | ldap | Query support for JDOQL | datanucleus-ldap |
| org.datanucleus.store_query_query | JDOQL | excel | Query support for JDOQL | datanucleus-excel |
| org.datanucleus.store_query_query | JDOQL | xml | Query support for JDOQL | datanucleus-xml |
| org.datanucleus.store_query_query | Native | neodatis | NeoDatis Native query support | datanucleus-neodatis |
| org.datanucleus.store_query_query | Criteria | neodatis | NeoDatis Criteria query support | datanucleus-neodatis |
| org.datanucleus.store_query_query | JDOQL | neodatis | Query support for JDOQL | datanucleus-neodatis |
| org.datanucleus.store_query_query | JDOQL | json | Query support for JDOQL | datanucleus-json |