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Give a sample of the Dynamic Model.
The sample of dynamic model is given below:
Dynamic model for the car:
Brake and Accelerator Brake or Applies Accelerator
Accelerator Applies an Accelerator
Brake Applies the Brake
off Put off car
on Put on car
press acc is a function
rel accl
press brak
rel brak
various techniques of hashing?
(a) Why did SAP introduce the extended star schema?
What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is
wh
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
what is view?explain
File Manager File manager handles the allocation of space on disk storage. It starts and maintains the list of structures and indices described in the internal schema that is
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
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