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Define average seek time.
The average seek time is the average of the seek times, calculated over a sequence of random requests.
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
discuss the purpose of the concurrency control?
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
Deadlock Prevention One of the easiest approaches for avoiding a deadlock would be to obtain all the locks at the begin of the transaction. Though, this approach restricts conc
The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
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