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SET concept is used in which type of modelling?
SET concept is used in Network Model.
Explain TPS concurreny executions stating their advantages in online business advancement
what is primary key
why are older data models are being replaced by new data models
(a) Why did SAP introduce the extended star schema?
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
Illustrate the view of software architecture A model is a semantically closed abstraction of system composes of elements. It can be visualized using any of the following five v
What is a query tree? Ans: A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu
Need a sample of a clinic database relationships
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
Which is another name for weak entity? Child is another name of weak entity.
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