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Which database level is closest to the users?
External database level is closest to the users.
What is Relational Algebra? Relational algebra is a Procedural query Language?
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them. b. Outline an algorithm that detects whether there is a deadlock.
entity relationship diagram about finance
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
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,
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
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