Blog: Oracle Database

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What BC’s Permanent Clock Change Did to My Demo OCI DBCS Database

I want to walk through this the way it actually happened, output by output, because the whole story is sitting in the outputs. If you run Oracle on a British Columbia (BC) host,..

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When RMAN Goes Silent: Rescuing a Stalled ZDM Migration From a Half-Open TCP Connection

The Moment You Realize Something Is Wrong There's a specific feeling every DBA knows: the one where you check on a long-running job that should be well underway by now, and the..

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Enabling Database In-Memory on Exadata: a 16-second query that became 0.12

Oracle 19c EE (Extreme Performance) 19.29 · two-node Exadata Database Service (ExaDB-D) · ~40M-row table · GROUP BY benchmark I’ve been meaning to sit down with Oracle Database..

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The 7.68 TB SSD That Wouldn’t Provision: An ODA X9-2-HA vs. 12.1.0.2 Standoff

We recently stood up a new Oracle Database Appliance X9-2-HA to host a legacy application whose databases are still on Oracle 12.1.0.2. What should have been a routine..

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What Is Q-Day, and Is Your Data Ready for It?

What Q-Day is Q-Day is the day a quantum computer becomes powerful enough to break the public-key cryptography we run today. RSA, Diffie-Hellman, elliptic curve. That is the math..

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Opus 4.8 Is Here. Is Your Oracle Estate Mythos-Ready?

Last week, Anthropic shipped Claude Opus 4.8. In the same announcement, they confirmed that Mythos-class models, the ones currently behind closed doors with Project Glasswing..

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