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Defining Internal Classes and Operations When we enlarge algorithms, new classes can be added to the store intermediate results. A complex operation could be looked at, as a c
Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
Briefly describe concurrency execution? Lock - based protocols Locks There are several modes in which a data item may be locked in this section we restrict our attention
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
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
What is an ERD?
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
write on the various type of relationalkey
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
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