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Draw E-R diagram for the following situation
An account is a relationship between customer and bank. A customer has a name. A bank has a branch. A customer may have numerous accounts of different type and balance.
Ans:
System software
Define Fan-in and Fan-out Fan-out: A measure of the number of modules which are directly maintained by another module. Fan-in: Indicates that how many modules directly main
What is meant by software prototyping? Software prototyping is a process of producing a model for the software product. This is developed based on the recently known requiremen
Advantage of software package: Advantages accrue from this situation. Some of these are mentioned below: i) An efficient software package requires at least 4 to 5 man yea
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system needs. It is developed to decrease requirement risks.
Assuming that all the tables have been created as given in the relational schema, write SQL code to make the following changes in the structure of the tables: (i) Make the empl
What is meant by System Requirements Set out the system constraints and services in well explained. Serves as a contract among the system buyer & the system developer.
What is a software package writer
Why decision tables are used in many cases instead of boundary value and equivalence partitioning analysis? - A decision table is an efficient way to deal with combinations of
What is Process improvement? Understanding existing processes and introducing process changes to improve product quality, decrease costs or accelerate schedules. Most proces
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