Posts about Oracle from the LibreDB Studio blog.https://libredb.org/blog/engine/oracle/enhttps://libredb.org/blog/oracle-thin-mode-service-name/https://libredb.org/blog/oracle-thin-mode-service-name/Thin mode is the default and needs no native client, and the field people get wrong is the one Oracle actually connects to: a service, not a database name.Sun, 14 Jun 2026 09:00:00 GMTLibreDBOracleEngineeringDatabaseshttps://libredb.org/blog/oracle-number-and-timestamp-fidelity/https://libredb.org/blog/oracle-number-and-timestamp-fidelity/A wide NUMBER arrives as a double and drops digits, and a timestamp with a zone folds its offset into UTC, so both are recorded rather than smoothed over.Tue, 28 Apr 2026 09:00:00 GMTLibreDBOracleEngineeringDatabaseshttps://libredb.org/blog/oracle-no-explain-plan-rendering/https://libredb.org/blog/oracle-no-explain-plan-rendering/Oracle has EXPLAIN PLAN and DBMS_XPLAN; what is missing is a two-statement wrapper, so the capability is declared false and the action is hidden.Thu, 12 Mar 2026 09:00:00 GMTLibreDBOracleEngineeringDatabaseshttps://libredb.org/blog/oracle-monitoring-privilege-question/https://libredb.org/blog/oracle-monitoring-privilege-question/A least-privilege application user gets a dashboard that renders with gaps, because each dynamic-view read is guarded on its own rather than as one block.Fri, 23 Jan 2026 09:00:00 GMTLibreDBOracleEngineeringDatabasesSecurityhttps://libredb.org/blog/oracle-er-diagram-owner-scoped/https://libredb.org/blog/oracle-er-diagram-owner-scoped/Five bulk dictionary reads build the tree regardless of table count, and every one of them is filtered by owner, so other schemas are simply not drawn.Sun, 07 Dec 2025 09:00:00 GMTLibreDBOracleEngineeringDatabases