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To be able to query timeseries directly using SQL statements Delft-Fews can be set up to act as a jdbc server. This can be done using an OC configuration (which will log in and automatically synchronise date with the MC, thereby assuring all data is constantly being updated), or by running this stand-alone. In the latter case the system will only export what is in the local datastore at startup.

Note that the JDBC server is planned to become obsolete and to be replaced by the webservices like the PI service. Therefore no new features will be developed to the JDBC server.

Fews JDBC Interface

The JDBC Interface provides a virtual access to (virtual) FEWS tables. The JDBC server allows a client application to query the available tables. However not all SQL query statements are supported. Also the type of SQL statements allowed on a table varies per table. See the section on #SQL queries for more details.

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