Normalization of data is done to

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dmitrii_fediuk (Dmitrii Fediuk) June 18, 2018, 4:58pm 1

~~Simplify retrieval~~
~~Structure the data~~
~~Simplify maintenance~~
Structure the data and simplify maintenance
~~Simplify retrieval, structure the data and simplify maintenance~~

dzone.com/articles/sql-query-optimization-and

System Analysis