Mainframes :: IBM ADABAS Job Interview Questions and Answers

IBM ADABAS frequently Asked Questions in various IBM ADABAS job Interviews by interviewer. Get preparation of IBM ADABAS job interview

1 What is the difference between Null compression and default compression?
2 How to initialize a variable which is a constant in a LDA. Suppose I want to declare a variable #a N1(1:7) having constant values as 1,2,3,4,5,6, and 7 for respective occurance then how can we do that?
3 What is an Associator in ADABAS?
4 What is the significance of DBID used in Adabs?
5 Suppose If i have updated few fields of Adabas file using UPDATE command, and after that i used display to see that field get updated or not. If in Display it showing nothing or record did not get updated then what can be  the possible reasons?
6 How will you the specification of database file?
7 What is adabas?