What is foreign key relationship?

Answer Posted / paramjeet

A relationship which can be defined between tables and must
be explicitly defined at field level. Foreign keys are used
to ensure the consistency of data. Data entered should be
checked against existing data to ensure that there are now
contradiction. While defining foreign key relationship
cardinality has to be specified. Cardinality mentions how
many dependent records or how referenced records are possible.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the list of screen elements?

532


What is the differences between structure and table in data dictionary in abap?

587


How can we decide weather we can enhance the standard infotype or not ? : abap hr

579


How do you execute the payroll

1832


How can we create callable modules of program code within one abap/4 program? : abap modularization

608






What is a data dictionary? : sap abap data dictionary

557


What are the internal tables and work area?

558


When was the sap abap being created?

651


singleton class

935


What are client dependent objects in abap/sap?

615


Explain the call transaction method? : abap bdc

592


What are the data types of internal tables?

588


What is an update type with reference to a match code id?

569


What is the difference between field-group header and other field groups?

565


What are the layers of data description in r/3? : abap data dictionary

642