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Define weak and strong entity sets?
Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets.
Strong entity set: Entity set that has a primary key is term a strong entity set.
What exactly is the concept of Functional Dependencies? And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc? Given Relation R(A,B,C,D,E) with de
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
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what are the purposes of dbms in details
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compare the features of oracle RDBMS with MySQL and Microsoft SQL server
limitations and benefits in database tecknowlagy
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