In this study, the effects of database normalization (first three normal forms - 1NF, 2NF, and 3NF) on the SQL query performance were put to the test. SQL performance was assesed following: query ...
Do you know what the 1st, 2nd, and 3rd normal forms are in an RDBMS and how to apply them to your tables? No, me neither, which is why I decided to find out and write up what I learned. If you want to ...
You open a production table that has been working fine for years. One customer row. One order column. Multiple products separated by commas. Addresses repeated everywhere. Totals that do not match ...
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