keys, Database Management System

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#questiontypes of keys examples..

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Create a subroutine, 1. Create a subroutine that does the remote blast on t...

1. Create a subroutine that does the remote blast on the file protein.fa. 2. Pass that returned files from the blast to another subroutine that parses the output and sends it to

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What do you mean by an execution plan? Why is it used? How will you view it? a.) An execution plan can be known as a road map which textually or graphically illustrates the dat

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One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio

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Soccer player ER Diagram to Relational database schema

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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.

How can you map null values to other values while display, How can you map ...

How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans

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Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update

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Consider the two relations given below Given that A is the primary key of R, D is the primary key of S and there is a referential integrity among S.A and R.A, discuss all

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What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.

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