Answer Posted / sneha

DL/I-
No data communication services are required
databases are accessed through offline
transactions are batch oriented and saved in file
application programs run through jcl

BMP-
Runs in two ways-
transaction oriented
-can read & write online message queues
-process online files & databases
batch oriented
-can read only massage queues
-can process online databases in batch mode,send messages to the message queue.all are scheduled by jcl

What is the need for a secondary index in ims?

1078

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Explain the maximum of key fields and search fields allowed in a segment?

3212

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What are the advantages and disadvantages of a hierarchical database?

1144

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What is the need of a secondary index in IMS?

1067

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What is the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1041

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how do you bind the cobol with db2

2801

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Explain the maximum number of pcbs allowed in a psb?

3620

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Explain the disadvantage of dynamic generation of acb?

948

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Define pcb?

1084

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What is the maximum number of pcbs allowed in a psb?

972

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Can we use procopt on pcb and segment field (senseg)?

984

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Define psb?

1095

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What are the advantages of a hierarchical database?

3295

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How many root segments do we have per database record?

1039

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What is the advantage of dynamic generation of acb?

934

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