primary key, Database Management System

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what is primary key

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Define ssn of salesman by using database of business trips, Consider the su...

Consider the subsequent relations for a database which keeps track of business trips of salespersons in a sales office: SALESPERSON (SSN, Name, start_year, Dept_no) TRIP (SSN, Fr

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The State of Newyork certifies firefighters throughout state keep track all of them, as well as the state’s of fire departments. Each fire department has unique department number

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These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in

Natural join-table handling, Natural Join : It is the similar like Equi joi...

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Evaluate the bulleted list of information-related items, Critically evaluat...

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