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What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
What is multiple relationship ?
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
why three level architecture had been developed/
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Hardware failure : Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and
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