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How to perform Merge Partitions/SubPartitions

edited Jul 25, 2019 3:05AM in Database DataWarehousing (MOSC)

This thread is for discussion and questions about MERGE PARTITION / SUBPARTITION Option.

General Advice:

You can merge the contents of two or more partitions or subpartitions into one new partition or subpartition and then drop the original partitions or subpartitions with the MERGE PARTITIONS and MERGE SUBPARTITIONS clauses of the ALTER TABLE SQL statement.

Below documents will explain the steps required to merge two partitions.

How to Merge Multiple Partitions in Oracle 12C (Doc ID 1482263.1)

18c: How to Merge Partitions And Subpartitions Online (Doc ID 2350767.1)

Reference:

Master Note for Partitioning (Doc ID 1312352.1)

Example of Script to Maintain Range Partitioned Table (

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