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explain ANSI SPARC architecture
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
#floating point representation is used to store
Explain Hierarchical Model ? Hierarchical Model - It was established to model several kinds of hierarchical organizations which exist in the real world. It uses tree structur
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
PRINCIPLES OF DATABASE 1. State the following terms: a) Database b) Database Management System c) Entity d) Attribute e) Relationship 2. Discuss the Three Level Architecture
what is definition hierarchical data model
What is the use of group by clause? Group by clause is used to be relevant aggregate functions to a set of tuples. The attributes given in the group by clause are used to shape
The functions of DBA ?
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
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