Database views in SQL — View of Data

Before going into the Database views in SQL, first, let’s see what a Database is?
The database is a collection of interrelated data, for example, the Database of the Hospital. It contains the data related to Patients Drugs, their illness, etc., which are somehow related. A Database must be efficient and sensible; for example, if a nurse has a database of patients and can’t get sense out of it, it is for no use.
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