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(a) Why did SAP introduce the extended star schema?
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
What is a candidate key? Minimal super keys are known as candidate keys.
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
define anomalies and different types of anomalies with example
From SAD to OOAD (Structured Analysis and Design (SAD) to Object Oriented Analysis and Design (OOAD). We will find here how we can map various models in SAD to different model
Write a query that display ename annual salary and comm from emp table
Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
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