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Discuss the importance and characteristics of database backup and recovery procedures, then describe the actions that must be detailed in backup and recovery plan
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
In an organisation various projects are undertaken. Each projects can employ one or more employees. Every employee can work on one or more projects. Each project is undertaken on
What is conceptual model ? A conceptual model is a independent of both hardware and software.
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
Define decision tree classifiers? As the name suggests decision tree classifiers use a tree: Every leaf node has an associated class, and every internal node has a predicate as
What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
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