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Locating Duplicate Entries In A MySQL Table
If you don’t have unique indexes on your table, it is likely that you will occasionally have entries that are duplicated. This can often happen because of a software bug or possibly a user error. Some applications even choose not to have unique indexes for performance reasons; though this happens at the cost of data…
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Eliminating Duplicate Records From MySQL Tables
Anyone who works with database driven development to any extent, will occasionally run into a situation where duplicate information is added to their database. I have personally run into such a problem on many occasions since I started working with database driven software. Being able to quickly undo data corruption is extremely important in production…