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Which is another name for weak entity?
Child is another name of weak entity.
education.
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Describe five main functions of a database administrator. Ans: A database administrator (DBA) is a person who is accountable for the environmental aspects of a database. Genera
What are three components of the schema architecture proposed by ANSI/SPARC? The three component schema architecture proposed by ANSI/SPARC is as given below: External sche
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
WHAT IS DATABASE TECHNOLOGIES
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
The primary key is selected from the
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
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