what is the difference between adding keys & constraints
into a phisical file

Answer Posted / kkk

Contraints check the existing data
But keyfields doesnot check the existing data.

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is open data path?

746


How many maximum record format a logical file have?

761


What is FORMAT keyword and its use?

374


How to find the list of source physical files in a library?

819


How to change the batch job to interactive job?

731


How to know the particular record in pf with out reading?

777


Last statement of any rpg program is lr?

815


What is the difference between access path and open data path?

816


Suppose I have a pf,it contains 5 members,how to access particular member data from logical file ?and what is the use of member in pf?

817


What is the primary file?

796


How to update physical file using logical file with example?

787


How to read a pf in reverse(from last record to first) using cl?

799


Suppose I have a pf, it contains 5 members, how to access particular member data from logical file? What is the use of member in pf?

808


What is the interactive job? What is the batch job?

772


How to retrieve a physical file after deleting that?

757