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Q. Classes of data items in a data dictionary?
There are three classes of data items in a data dictionary
1) Data element- It is the smallest unit of data that cannot be meaningfully decomposed further. Example- Employee number and so on.
2) Data structure is a group of data elements forms a data structure.
3) Data Flows as well as Data Stores- data flows are data structures in motion whereas data stores are data structures at rest.
State about the Normal data- Test data - This is data which is valid/acceptable and has expected outcomes (for instance, if a date is being input the day must be in the rang
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what do i do and how?
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What does Validation represent? Validation show the set of activities that make sure that the software that has been built is satisfying the customer requirements.
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