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Explain the Management of Data Store
Every system irrespective of its nature of application requires storing permanent data for consequent use in problem solving. Some objects in models need to be constant to store the state of object permanently in database. Most systems need constant data which is not lost when system closes down. These data are stored in file system in database. Object-oriented applications sometimes use relational databases to provide persistence.
tell me the functionality,advantages and disadvantages of student database
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
what is difference between circular inked lust and grunded linked list
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
Using a labelled diagram explain the operation of the Data Warehouse, define the basic architectural components and outline the main functionalities. Briefly explain the role an op
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
Which method is used to key transformation ? A hash method is used to key transformation.
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