The Primary Key in a DBMS table is the chosen column (or columns) that serves as the unique identifier for each individual row. It's the definitive way to distinguish one record from another. This key must always contain unique values and cannot be left empty (null), guaranteeing that every row has a distinct and present identifier.
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G-13, 2nd Floor, Sec-3, Noida, UP, 201301, India
contact-+91-9599086977
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The Role of the Primary Key in DBMS – @rishabhtpt on Tumblr
Imagine you're at a big event, maybe a conference or a concert. To make sure only authorized people get in and to keep track of everyon…
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