[Solved] What does attaching a partition to a partitioned table in PostgreSQL do? — Ans: It adds an existing table as a part of the partitioned table. | PostgreSQL

PostgreSQL - Table Partitioning

What does attaching a partition to a partitioned table in PostgreSQL do?

AIt adds an existing table as a part of the partitioned table.

BIt deletes the data from the existing table.

CIt merges two tables into one without partitioning.

DIt creates a new partitioned table from scratch.

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of attaching partitions
Attaching a partition means linking an existing table to a partitioned table so it becomes one of its parts.
Step 2: Clarify what happens to data
The data in the existing table remains intact and is now managed as part of the partitioned table.
Final Answer:
It adds an existing table as a part of the partitioned table. -> Option A
Quick Check:
Attaching partitions = adding existing table [OK]

Quick Trick: Attaching means linking existing tables to partitions [OK]

Common Mistakes:

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What does attaching a partition to a partitioned table in PostgreSQL do?