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Why does a DBMS query language is designed?
A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applications software and specify the structure of a database.
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
what is Nested relational model? Explain with examples.
Consider an information system designed for an online company which provides IT products and services. These include desktops, laptops, networking products, IT books, parts, and te
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
The Database Approach In order to overcome the limits of a file system, a new approach was needed. Hence a database approach emerged. A database is a persistent collection of
(a) Why did SAP introduce the extended star schema?
Which is the properties of entities? Attributes is the properties of entities.
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