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What is a Database?
To know what database is, we have to start from data, which is the basic building block of any DBMS.
Data: Facts, figures, statistics etc. having no particular meaning (e.g. 1, ABC, 19 etc).
Record: Collection of related data items, e.g. in the above instance the three data items had no meaning. But if we organize them in the following way, then they collectively show meaningful information.
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
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Explain how you can define an object model of a system. A list of terms that shall be used by end users to describe state and behaviour of objects in system. Different use
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
What is Relational Algebra? Relational algebra is a Procedural query Language?
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
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