Database Hierarchical Interview Questions

 
1.
What is Database Definition (DBD)?
2.
What is DL/I?
3.
What is PCBs (Program communication blocks)?
4.
What is a hierarchical database?
5.
Explain a checkpoint and When does it occur?
6.
Explain the Hierarchical Database?
7.
What is IMS Software Environment?
8.
Explain Phantom Deadlock?
9.
Explain atomicity and aggregation?
10.
Explain the advantages and disadvantages of a Hierarchical Database?
11.
Explain the main control blocks available in IMS DB?