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What is a database?
Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users for different purposes.
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
what is view?explain
List and also explain the dissimilar stages of DDLC ?
Defining Internal Classes and Operations When we enlarge algorithms, new classes can be added to the store intermediate results. A complex operation could be looked at, as a c
definition and its work
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.
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