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Partitioned Indexes

“Hidden” Efficiencies of Non-Partitioned Indexes on Partitioned Tables Part II (Aladdin Sane)

In Part I of this series, I highlighted how a Non-Partitioned Global Index on a Partitioned Table is able to effectively perform “Partition Pruning” by reading only the associated index entries to access just the table blocks of interest from relevant table partitions when the table partitioned keys are specified in an SQL Predicate. Understanding […]

“Hidden” Efficiencies of Non-Partitioned Indexes on Partitioned Tables Part I (The Jean Genie)

When it comes to indexing a partitioned table, many automatically opt for Local Indexes, as it’s often assumed they’re simply easier to manage and more efficient than a corresponding Global Index. Having smaller index structures that are aligned to how the table is partitioned certainly has various advantages. The focus in this little series is on […]