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

Write definition of state transition diagram, Write definition of state tra...

Write definition of state transition diagram? State transition diagram is mainly a collection of states and events. Due to the events the system has to change its state. It als

What is an update task, What is an update task? It is an SAP given proc...

What is an update task? It is an SAP given procedure for updating a database.

Define quality control, Explain Quality control This includes checking ...

Explain Quality control This includes checking the software development process to make sure that procedures and standards are being followed. There are two approaches to qu

Applied physics, an isolated metal sphere has a radius r. when charged to a...

an isolated metal sphere has a radius r. when charged to a potential v, the charge on sphere is q. 1- state an expression, in terms of r and q, for potential v of sphere.

What is a state transition diagram, What is a state transition diagram? ...

What is a state transition diagram? State transition diagram is mainly a collection of states and events. The events cause the system to change its state. It also shows what ac

Briefly describe what are deployment diagrams, Question: (a) Compare t...

Question: (a) Compare the following pairs of terms as used in object oriented software engineering: (i) Association and Association class (ii) Multiplicity and multiple

Define equivalence partitioning, What is equivalence partitioning? Equi...

What is equivalence partitioning? Equivalence partitioning is a black box method that separates the input domain into classes of data. From this data test cases can be derived.

Differentiate between smoke testing and sanity testing, Differentiate betwe...

Differentiate between smoke testing and sanity testing. -Smoke testing verifies all areas of application; sanity testing recognizes one or few areas only. -Smoke testing is

When do you choose automated testing over manual testing, When do you choos...

When do you choose automated testing over manual testing? Automation is chosen when -A similar set of tests need to be repeated again and again -When a single test requi

What is structure chart, Structure chart:  A structure chart is a top-down...

Structure chart:  A structure chart is a top-down modular design tool, constructed of squares representing the dissimilar modules in the system, and lines that connect them. The l

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