What is downtime and what might be the reason?


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More IBM MainFrame AllOther Interview Questions

Total no of bytes in the following 01 rec-1 02 first-group 03 a1 pic x(4). 03 a2 pic 99. 02 second-group redefines first-group. 03 A3 pic999. 03 A4 pic 999. 02 third-group. 03 A5 occurs 5 times pic 99. A)22 B)16 C)12 D)10

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How can a like table be created?

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List the type of locks and explain each of them.

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Why are you looking for a change?

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what is the other verb for release and write ?

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Can I redefine an x(100) field with a field of x(200)?

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what is copybooks ? structure of copybook and fillers in copybook ? purpose of using copybook ?

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difference between   wrkobj &  dspobjd?

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we cant write data into file using cl program then what is sndf

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can alternate index use in ESDS since it does not contain primary index? if yes can you explain?

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