New ORAchk 12.1.0.2.6 beta

Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, discusses Oracle’s recently released new beta 12.1.0.2.6 version for the Orachk utility, and why Oracle DBAs should be using it.

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An UNDO in a PDB in Oracle 12c?

Fred Denis, Pythian Oracle Database Expert, challenges the idea that there can be only one UNDO tablespace in a multi-tenant architecture.

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Expert Insights: Oracle NET Troubleshooting for DBAs

Jared Still, Pythian Principle Consultant and Oracle ACE, outlines the difficulties associated with troubleshooting connectivity issues when dealing with Oracle and provides tips on how to overcome them.

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RHEL vs OEL: Back in The Cold War?

Stefan Knecht discusses OEL and RHEL and the need to find clarity on reoccurring issues.

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Issues with Oracle Secure External Password Stores

Simon Pane, Pythian Database Consultant, Illustrates how to properly lock-down and harden scripts that use Oracle Wallets and Secure External Password Stores (SEPS).

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Securing Oracle Monitoring and Backup Scripts

Simon Pane, Pythian Database Consultant, demonstrates how to secure backups and monitoring scripts using an Oracle Wallet and Secure External Password Store.

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Oracle RAC Scalability: Slides from Oracle OpenWorld 2015

Christo Kutrovsky revisits his OOW 2015 presentation and explores the type of challenges that come with scaling an application horizontally via Oracle RAC.

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Is Oracle Smart Flash Cache a “SPOF”?

Maris Elsins, Lead Database Consultant at Pythian, Oracle ACE & OCM, explores whether the failure of a solid-state device used by Oracle Smart Flash Cache affects the availability of the database.

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ASM Internals: Tracking Down Failed ASM Reads

Stefan Knecht, Pythian Solutions Architect, encountered some issues while mapping ASM allocation units (AU) to database extents. It’s not easy to find a clear cut solution, but he’s done some digging to make your life easier.

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How to Decipher Oracle Internal Datatype Storage

Jared Still, Principal Consultant and Oracle ACE explains why Oracle doesn’t always provide all the information you need as a DBA. Here’s one example and how to work around it with Oracle data type storage.

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