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1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
What is a checkpoint? List the operations to be performed by the system when a checkpoint is to be taken. What does the recovery system do if there is a crash? There is large n
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
1. Determine the set of minimal functional dependencies for the following data. The local bakery, Happy Cakes, needs your help designing a database that will support a kiosk in
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Haw does it work one database application
Parallelism of transaction execution: A transaction can be divided into various sub-queries that can operate on fragments in parallel. This enhances the degree of concurrency in t
explain at least five widly used case tools
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
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