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What is a Name?
A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it, regardless of its contents.
Mention various steps required to draw an E-R Diagram. Draw an E-R Diagram for Student Information System. Mention all suitable assumptions to justify your answer.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
Lossless-Join Decomposition Let us show an intuitive decomposition of a relation. We require a better basis for deciding decompositions since intuition may not always be r
Question 1: a) What is the difference between a non-impact and impact printer? b) Which type of printer is generally used in a supermarket to print your receipt? Describe
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Event Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as e
Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
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