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Define deadlock avoidance.
An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the system consider the resources currently available, the resources currently allocated to every process, and the future requests and releases of each process, to decide whether they could be satisfied or must wait to avoid a possible future deadlock.
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
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Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
Differentiate between static hashing and dynamic hashing. Ans: Static Hashing comprises the number of primary pages in the directory fixed. So, while a bucket is full, we requ
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What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
List the requirements needed to design a trigger. The requirements are:- Specifying when a trigger is to be implemented. State the actions to be taken when the trigger im
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
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