What are the disadvantages of a hierarchical database?
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Explain the maximum of key fields and search fields allowed in a segment?
What is dbd?
Write the format of program starting from identification division for checkpoint restart logic.
What is the maximum number of levels allowed in ims db?
what are the control blocks in IMS ?
Explain psbgen process?
Can we use procopt on pcb and segment field (senseg)?
What is the difference between HDAM & HIDAM DB types and when would you use each?
Which languages does ims support / application program languages?
I found some good questions/answers regarding IMS here:
Which DB access method (OSAM or VSAM) is better and why?
How do you write a PSB code ?