Split Orders into North and South Region Partitions

Creating Partitions for a List-Partitioned Table

Write a PostgreSQL query to create partitions for Orders that store data for "North" and "South" regions.

Solution:

-- Create a partition named Orders_North as a partition of the Orders table
CREATE TABLE Orders_North PARTITION OF Orders
-- Specify that this partition includes rows where region is 'North'
FOR VALUES IN ('North');

-- Create a partition named Orders_South as a partition of the Orders table
CREATE TABLE Orders_South PARTITION OF Orders
-- Specify that this partition includes rows where region is 'South'
FOR VALUES IN ('South');

Explanation:

• Purpose of the Query:
• Divides order data into separate partitions for North and South regions.
• Key Components:
• FOR VALUES IN (...): Specifies the region values stored in each partition.
• Real-World Application:
• Helps businesses efficiently query and manage region-specific data.

Notes:

• Queries can be optimized using partition pruning.

For more Practice: Solve these Related Problems:

• Write a PostgreSQL query to create partitions for a List-Partitioned table for order statuses such as 'Pending', 'Shipped', and 'Delivered'.
• Write a PostgreSQL query to create a partition for a List-Partitioned table that handles region values like 'East' and 'West'.
• Write a PostgreSQL query to create partitions for a List-Partitioned table that stores product categories like 'Electronics', 'Clothing', and 'Furniture'.
• Write a PostgreSQL query to create partitions for a List-Partitioned table that divides data based on a set of country codes.

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Previous PostgreSQL Exercise: Creating a List-Partitioned Table.