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aggregation
SET concept is used in which type of modelling? SET concept is used in Network Model.
What is conceptual model ? A conceptual model is a independent of both hardware and software.
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
what is un ordered and ordered file managment?
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
Objectives After reading this part, you should be able to: Modify, create, and delete database schema objects; Update database using SQL command; Retrieve data f
Draw an ER diagram that shows the organization of a simple student database. The database captures the information about letter grades obtained by university students who enrolled
What does Aggregation mean?
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