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Define Deadlock detection
If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm which examines the state of the system is invoked periodically to determine if a deadlock has occurred. If one has, then the system should attempt to recover from the deadlock.
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
The Form input elements are: Reporter name text type input Password
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Demonstrate the Design of associations During object design phase we must design a strategy to implement associations. Association may be unidirectional or bi-directional. Wha
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Log based recovery: Let us first describe the term transaction log in the context of DBMS. A transaction log is a record in DBMS that remains track of all the transactions of a dat
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
Define seek time. The time for repositioning the arm is known as the seek time and it enhances with the distance that the arm is known as the seek time.
What is Relational Algebra? Relational algebra is a Procedural query Language?
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