Essential MySQL Queries and Administration Commands
Identifying Redundant Records
To locate duplicate rows based on a specific column, use the following approach:
SELECT * FROM target_table
WHERE target_id IN (
SELECT target_id FROM target_table
GROUP BY target_id HAVING COUNT(target_id) > 1
);
Database and Table Capacity Analysis
To identify the largest tables by storage size (exclu ...
Posted on Thu, 14 May 2026 20:14:35 +0000 by mraiur