https://infradba.com/ Recent content on InfraDBA Hugo en-US Wed, 28 Oct 2026 00:00:00 +0000 https://infradba.com/posts/skip-scan-empty-index-stats/ Wed, 28 Oct 2026 00:00:00 +0000 https://infradba.com/posts/skip-scan-empty-index-stats/ A query went from milliseconds to a minute. The plan showed an index scan, so nothing looked broken. The fix was a stats gather on an index the query didn&rsquo;t even need. https://infradba.com/about/ Mon, 01 Jan 0001 00:00:00 +0000 https://infradba.com/about/ <p>I&rsquo;m Sagar, a Lead Oracle Database Administrator specializing in Oracle Exadata and the infrastructure around it. I&rsquo;m an Oracle Certified Professional (OCP).</p> <p>My day-to-day work covers:</p> <ul> <li>Multi-node RAC clusters on Exadata</li> <li>Data Guard for high availability and disaster recovery</li> <li>RMAN backup and recovery strategy</li> <li>TDE and wallet management</li> <li>ZFS Storage Appliances for backup and replication</li> <li>OCI Exadata Cloud@Customer (ExaCC)</li> </ul> <p>I&rsquo;ve worked on large-scale infrastructure migrations across production datacenters and lead DBA teams through them.</p>