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Nov 25, 2020 · Databases

How OpenGauss Handles Oracle SQL Compatibility: Features, Limits, and Workarounds

This article examines how openGauss implements Oracle SQL compatibility, covering query syntax like ROWNUM and DUAL, unsupported CONNECT BY, HINT handling, execution‑plan commands, Oracle functions such as DECODE, SYSDATE, NVL/NVL2, PL/SQL UDFs, stored procedures, triggers, cursors, VARRAYs, and provides a detailed compatibility summary.