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

Explain about the e-r diagram, Explain about the E-R Diagram Entity-rel...

Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD

Product engineering- concept, Product engineering is a system engineering ...

Product engineering is a system engineering approach which starts with system analysis. The system engineer identifies  the customer's requirement, determines economic and econ

Explain the persistent class maps to one relational table, Explain the pers...

Explain the persistent class maps to one relational table In most of cases, persistent class maps to one relational table (keeping aside inheritance issue, for the moment). In

Artificial intellegence, can yo do a project on Artificial Intelligence.The...

can yo do a project on Artificial Intelligence.The topic is L-system of flowers

Explain the cardinality and optionally, Cardinality & Optionally Card...

Cardinality & Optionally Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinal

Project, How to create A system to incorporate uploading and display of dif...

How to create A system to incorporate uploading and display of different media types on the web e.g. audio, video, graphics, text, power point files, excel files, Word files on the

Write short notes on quick-fix model, Q. Write short notes on Quick-fix Mod...

Q. Write short notes on Quick-fix Model? Quick-fix Model: This is the simplest model utilized for the maintenance of the software. In this model modification at the code level

What is sei capability maturity model, What is SEI capability maturity mode...

What is SEI capability maturity model? Initial Essentially uncontrolled Repeatable Product management procedures explained and used Defined Proc

Help me please, #include #include #include void ingresarnotas (float...

#include #include #include void ingresarnotas (float A[120][6], int m, int n) { int i, j; for (i=0; i for (j=0; i { printf ("ingrese

Explain key process areas of cmm, Key process areas of CMM. 1.  Require...

Key process areas of CMM. 1.  Requirements management which establishes a common relationship among the customer and developer 2.  Software project planning where reasonable

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