It helps you avoid redundancy and maintain the integrity of the database. What We'll Coverĭatabase normalization is a database design principle for organizing data in an organized and consistent way. We’ll also take a look at the types of normalization – 1NF, 2NF, 3NF – with examples. In this article, we’ll look at what database normalization is in detail and its purpose. You can design the database to follow any of the types of normalization such as 1NF, 2NF, and 3NF. In simple words, database normalization entails organizing a database into several tables in order to reduce redundancy. This is why database normalization is important. In relational databases, especially large ones, you need to arrange entries so that other maintainers and administrators can read them and work on them.
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