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The Assessment page has a link to download a conceptual model, and a list of data.
You are to map this conceptual model, and create the database in Oracle using your own DDL. Then load your database with the list of data on the assessment page.
Then you are required to write SQL statements to perform the objectives listed below:
You will need to hand in ONE script which:
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
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Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
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Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
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