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Write short notes on tuple relational calculus.
The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particular procedure for obtaining that information.
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
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What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
management information system based on functional organisation
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
what is data link layer
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
What are the reasons of bucket overflow? Explain any two methods for solving this problem. Ans: It is general for file structures to be divided into equal-length partitions, k
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