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Tutorials and guides on Oracle Database, RAC, Data Guard, ASM, RMAN and Oracle architecture.
Series: Oracle RAC 12.2 — Complete Installation on VMware Workstation 📌 About this series: This guide covers Oracle RAC 12c,…
Series: Oracle RAC 12.2 — Complete Installation on VMware Workstation 📌 About this series: This guide covers Oracle RAC 12c,…
Series: Oracle RAC 12.2 – Complete Installation on VMware Workstation 📌 About this series: This guide covers Oracle RAC 12c,…
Oracle Real Application Clusters (RAC) is one of the most important technologies in the Oracle ecosystem. It allows multiple servers…
You try to create a table with an identity column and Oracle throws a privilege error — even though you…
When attempting a local connection with sqlplus / as sysdba, Oracle drops the connection before authentication completes: The impact is…
Whether you’re rebuilding a test environment, rolling back a bulk load, or just need to restart numbering from scratch —…
When running opatchauto with the out-of-place option, the process fails reporting a previous session was not completed: The opatchauto found…
Running opatch lsinv produces the following output: OPatch lists every other Oracle Home on the system just fine, but chokes…