Define pcb?
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Write the format of program starting from identification division for checkpoint restart logic.
What is dbms in ims?
Define psb?
How many root segments do we have per database record?
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What do you know about DBD gen?
Explain the two ways in which dl/i interface can be invoked?
Define acb?
What type of pointers should you specify on the root segment of a HIDAM DB to improve sequential processing?
Explain psbgen process?
Is it necessary that all the segments in a Dl/i database have key fields ?
What are the disadvantages of a hierarchical database?