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Evaluate, compare and contrast the two methods of relational database design namely top down method and Bottom up method. What will be your choice if you are asked to select a method? Justify your choice.
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Explain Transaction manager and their work? Transaction Manager: Ensure the database remains in a constant (correct) state despite system failure, and in which concurrent trans
explain the mapping constraints
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Types Of Indexes One of the words used during the file organisation is the term index. In this part, let us describe this term in more detail. We find the index of keywords
what is natural join?
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
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