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Posted on March 1, 2025March 1, 2025

Exadata Storage Index

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Storage indexes are an Exadata feature designed to enhance performance by reducing disk I/O.

Unlike traditional B-tree or bitmap indexes, storage indexes do not store specific values to help find records; instead, they track the minimum, maximum, and null values of data in 1MB chunks of storage.

Here’s how they work:

Continue reading “Exadata Storage Index”
Posted on February 22, 2025July 11, 2025

Top 7 Oracle Wait Events Explained

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Oracle wait events are statistics that a server process or thread increments when it waits for an operation to complete in order to continue its processing.

Here are some of the most common Oracle wait events explained.

Continue reading “Top 7 Oracle Wait Events Explained”

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Categories

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  • Exadata
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Unmissable posts

  • Copy Password File From Primary ASM to Standby ASM on Oracle 19c
  • Oracle 19c Data Guard Configuration Step by Step
  • How to Find Alert Log File Location in Oracle
  • Top 7 Oracle Wait Events Explained
  • Step by Step Data Guard Broker Configuration in Oracle 19c
  • Oracle Cloud Infrastructure OCI Foundations
  • PhysicalDisk → CellDisk → GridDisk on Exadata
  • Oracle Exadata CellCLI Commands
  • Oracle Exadata Health Checks
  • Exadata Storage Index

Categories

  • Apache
  • Exadata
  • Firewall
  • Linux
  • Oracle
  • Postfix
  • Security
  • Ubuntu

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