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Let us now talk about the relational operations: SELECT The select operation is used to select few specific record from the database based on different criteria, This is a un
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Illustrate the Deployment Diagram A deployment diagram shows all nodes on network, their processor execution and interconnections. In a dynamic model, this is used to represen
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
What are the requirements to ensure the objectives of file management principle is realized?
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
Describe how you can simplify Operations. To simplify operation, one should use inheritance, where possible to use, to reduce the quantity of distinct operations. Introduce new
What do you mean by an execution plan? Why is it used? How will you view it? a.) An execution plan can be known as a road map which textually or graphically illustrates the dat
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