Classes of data items in a data dictionary, Software Engineering

Assignment Help:

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.


Related Discussions:- Classes of data items in a data dictionary

The mechanics of structured analysis, Give the example of the mechanics of ...

Give the example of the mechanics of structured analysis

What are the problems held while creating system flowchart, What are the Pr...

What are the Problems held while creating system flowchart  (1) A company selling CDs and DVDs presently uses a paper-based, manual system to keep track of:  - Stock levels

Explain software measurement, Software measurement Software measuremen...

Software measurement Software measurement is anxious with deriving a numeric value for an attribute of a software product or process. This permits for objective comparisons

What is coupling, What is Coupling? Coupling is the measure of interconn...

What is Coupling? Coupling is the measure of interconnection among modules in a program structure. It depends on the interface complexity among modules.

SAD Design Phase, describe normalization & its forms? plz i m very thankful...

describe normalization & its forms? plz i m very thankful.......

Define the minimum cardinality of a relationship, Define the Minimum cardin...

Define the Minimum cardinality of a relationship Minimum cardinality of a relationship is the minimum number of instances of second entity (student, in this case) with every in

Define the term - inspection, Define the term - Inspection - An inspec...

Define the term - Inspection - An inspection is more formal than walk through. - It includes 3-8 people - a moderator, reader as well as a recorder to take notes. - Subj

What is big-bang waterfall model, What is Big-bang waterfall model? Bi...

What is Big-bang waterfall model? Big bang Model of S/w development is based on the big bang theory. A huge quantity of people, money and time are put together, lot of energy

What is open box testing, Open box testing is similar as white box testing....

Open box testing is similar as white box testing. It's a testing approach that consider the application's program structure, and derives test cases from the application's program l

What is vdd, What is VDD Ans) VDD- "version description document".

What is VDD Ans) VDD- "version description document".

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd