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What are disadvantages of concurrency control?
I think the following could be the disadvantages of concurrency control: 1: resource consumption
Which are the concurrency control protocols ensure both conflict serializability and freedom from deadlock?
TIMESTAMP PROTOCOL. The protocol manages concurrent execution such that the timestamps determine the serializability order. Timestamp protocol ensures freedom from deadlock as no transaction ever waits.
What is vf speed control?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
What is a congestion control mechanism?
Congestion control mechanisms are tools that control how backed up a substance may get. Traffic congestion control mechanisms can be stop lights, for example.
What is Neutral Control?
its is the process of control stress, depress, tension
What are the various types of locks used for concurrency control?
Concurrency control employs various types of locks to manage access to shared resources, ensuring data integrity. The primary types include shared locks, which allow multiple transactions to read a resource but prevent writing, and exclusive locks, which permit only one transaction to read or write a resource. Additionally, read locks and write locks can be used to differentiate between operations, while optimistic and pessimistic locking strategies determine when locks are applied based on expected contention levels. Each type of lock addresses different concurrency scenarios, balancing performance and data consistency.
What are disadvantages of concurrency control?
I think the following could be the disadvantages of concurrency control: 1: resource consumption
What is concurrency control techniques?
several problems can occur when concurrent transaction execute in an uncontrolled manner.
Difference between coordination and control mixed?
differentiate coordination and control
The dbms or some other related software components which enforce certain recovery and concurrency control are called are?
that's auto-recovery!
Differentiate between conditional and unconditional transfer control?
لااعلم
Who had pessimistic view of human nature and a dread of democratic excess?
Thomas Hobbes had a pessimistic view of human nature and a dread of democratic excess. He believed that humans are naturally selfish and competitive, and that without a strong central authority to control them, society would fall into chaos and violence.
How are locking techniques used for concurrency control?
Concurrency means use of database by many users at the same time.Concurrency control techniques (Different techniques) are used control multiple transactions interfere each other to produce wrong results. therefore one of the main techniques used to control concurrent execution of transaction is based on the concept of locking of data item. A lock is a variable associated with a data item in the database and describes the status of that item with respect to possible operation that can be applied to that item. Generally there is a one lock for each data item in the database.
What is disadvantages of concurrency control?
Disadvantage of concurrent control: Since concurrent control uses a series of checks throughout the process/project chain, clarity about the standards required at each control point is essential. This requires a thorough and detailed understanding of the specific tasks involved and their relationship to the desired end product/project outcomes.
What are the three most common concurrent transaction execution problems?
The three most common concurrent transaction executive problems are uncommitted data, lost updates, and inconsistent retrievals. It is believed that concurrency control can help these problems.
What nice character trait starts with the letter o?
People can be described as being obedient, obnoxious, obscene, observant, odd, oddball, offensive, old-fashioned, optimistic, outgoing, outrageous, outstanding, overbearing or overconfident. They begin with the letter o.
Which are the concurrency control protocols ensure both conflict serializability and freedom from deadlock?
TIMESTAMP PROTOCOL. The protocol manages concurrent execution such that the timestamps determine the serializability order. Timestamp protocol ensures freedom from deadlock as no transaction ever waits.
