The basics of data normalization
Normalization is the process of reducing or completely eliminating the occurrence of redundant data in the database. Normalization refers to the process of designing relational database tables from the ER model. It is a part of the logical design process and is a requirement for online transaction processing (OLTP) databases. This is important because it eliminates (or reduces as much as possible) redundant data. During the normalization process, you usually split large tables with many columns into one or more smaller tables with a smaller number of columns. The main advantage of normalization is to promote data consistency between tables and data accuracy by reducing the redundant information that is stored. ...
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