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What are the function of DBA?
Illustrate about the advanced object design Advanced object design is a complex task. The objects discovered through analysis serve as a skeleton of design. The operations reco
Define the phases of two phase locking protocol Growing phase: a transaction may get locks but not release any lock. Shrinking phase: a transaction might be release locks bu
Problem: (a) Briefly explain the ‘Hierarchical Database Model' using appropriate diagram. (b) List and briefly describe five potential benefits of the database approach comp
State about the Use Case Diagram A use case diagram represents a set of use cases, actors and their relationships. These diagrams shall be used to model context or requirement
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
find the name of supplier who supply some red part
What is a query tree? Ans: A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu
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