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Tag: storage index

Posted on March 1, 2025March 1, 2025

Exadata Storage Index

mountains with white snow

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”

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