Posted On: Feb 22, 2018
The commands which are used to manage the data which is present in the entire database are called as DML commands. They are of following types-
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A database, in general, is a collection of information in a more organized form for better access...
In order to remove the redundant data, normalization is used. It also reduces the null values and enables the efficiency of indexing...
Denormalization is the inverse process of normalization...