Here is the few technical questions on VSAM&MVS. If you think its good, please drop some comments. If you have any more questions&answers dont forget to drop here, I always look forward to update this section.
1. How do you fix the problem associated with VSAM out of space condition?
2. What is the meaning of VSAM RETURN-CODE 28?
3. How many Alternate Indexes you can have on a dataset? - Remember ALT INDEX is possible only on KSDS and ESDS not on RRDS.
4. Is it slower if you access a record through ALT INDEX as compared to Primary INDEX?
5. What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?
6. Describe SHAREOPTIONS parameter (SHR) in Define Cluster command.
7. What does the KEYRANGES parameter in Define Cluster command do?
8. What are the optional parameters to the input dataset while loading the empty cluster with the data records?
9. What is GDG means in VSAM?
10. What is IDCAMS? And what is the purpose of it?
11. How can you delete a member using JCL?
12. What is the Difference between LDS & ESDS ?
13. Is a delete operation possible in an ESDS?
14. Is rewrite operation possible in ESDS?
15. What is an alternate index and path?
16. How many buffers are allocated to VSAM KSDS and ESDS?
17. What is the biggest disadvantage of using a VSAM dataset?
18. What is the device independent method to indicate where a Record is Stored?
19. How many times a secondary space can be allocated?
20. What is the RRN for the first record in RRDS?
21. What is a Base Cluster?
22. If FSPC (100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both CI and CA are specified to be empty?
