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Attributes and its types explain?
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Distributed Database Management System
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
explain thee diffrent types of data models
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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