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Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
What are the several kinds of the update operations on relations? Also explain the constraints on these update operation. Give instance in support of your answer. There are th
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
Design a gennalization and specialization hierarchy for an automobile sales company
Illustrate the class diagram for class room scheduling system If in any college, the number of classrooms are limited which have to be allocated to various classes and instruct
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
In Database software have only pure security or some dis secured by administrator?
Define physical image of a global relation at a site
Why, generally does an object-oriented system use the relational DBMS? The reasons for using relational DBMS for OO systems could be any combination of following: a. Many or
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