https://www.oraclescripts.com/tags/dba_tab_privs/Recent content in Dba_tab_privs on Oracle ScriptsHugo -- gohugo.ioenOracleScripts.comSun, 08 Mar 2026 00:00:00 +0000https://www.oraclescripts.com/post/how-to-find-the-current-scn-in-oracle-database-using-dbms-flashback/Sun, 08 Mar 2026 00:00:00 +0000https://www.oraclescripts.com/post/how-to-find-the-current-scn-in-oracle-database-using-dbms-flashback/ <h2 id="how-to-find-the-current-scn-in-oracle-database-using-dbms_flashback">How to Find the Current SCN in Oracle Database Using DBMS_FLASHBACK</h2> <p>The <strong>System Change Number (SCN)</strong> is Oracle's internal logical clock. Every DBA needs to know how to read it. This post shows you the simplest SQL query to get the current SCN from any Oracle Database session, and explains exactly why it matters.</p> <h2 id="what-is-an-scn">What Is an SCN?</h2> <p>The <strong>System Change Number (SCN)</strong> is a monotonically increasing integer that Oracle assigns to every committed transaction. It is the foundation of Oracle's consistency and recovery model. Think of it as Oracle's version of a timestamp — except it is more precise and more reliable than wall-clock time. <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-1012089347386563" crossorigin="anonymous"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-1012089347386563" data-ad-slot="5317081938" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> Oracle uses the SCN for:</p>