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What is called mirroring?
The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
Benefits and limitations
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
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:
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
Discuss the importance and characteristics of database backup and recovery procedures, then describe the actions that must be detailed in backup and recovery plan
Question (a) Visual Basic is governed by an event processor. Explain the meaning of this phrase. (b) Differentiate between an general procedure and event procedure. (c)
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