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(a) Differentiate between information and data . (b) List and briefly explain five potential benefits of the database approach compared to conventional file systems. (c) Diff
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What does Aggregation mean?
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
In order to keep pace with competitors, Space Ltd has decided to implement an ERP system in order to replace its old legacy and manual systems. Management does not have much knowle
What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
random file orgnization
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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