Entity set that does not have sufficient attributes known as, Database Management System

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An entity set that does not have sufficient attributes to form a primary key is called?

An entity set that doesn't have sufficient attribute to form a primary key is known as weak entity set.


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Column constraints-on delete cascade, CREATE TABLE prodtrans ( pno ...

CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);

Data fragmentation-use of partial data by applications, Use of partial data...

Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather

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EER models, Ask question #MinimThe Georgia Tech Library (GTL) has approxima...

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HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3

Define page, Define page. The database is partitioned into some number ...

Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.

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design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.

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