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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.
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
List and also explain the dissimilar stages of DDLC ?
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
East Coast Aquarium Relational Database
Probelm: (a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network" (i) Give a
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
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