Answer / neha

we use export for backing up data from vsam dataset to a ps
and import is used for transferring data from ps to a vsam
dataset.though repro can do the same but the difference
lies in the fact tht export also extracts the catalog info
of the vsam so tht the vsam dataset can be easily rebuld
later on...

Answer / mohi

Export and Import Commands works for VSAM DS and Alternate Indexes. Export command is used to take BACK UP diff. VSAM DS and Import Command is to restore file to proper device.

Same process can be using Reqpro, but diff. is

Repro works for both VSAM and Non-VSAM DS.Export and Import Commands works for VSAM DS.

Repro backs up only logical records.Export backs up logical records and also attributes and Import redefines with attributes and reload the records.

Answer / cng

vnn

How do you define an altindx?

0 Answers  

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What is an alternate index and path ?

2 Answers   Infosys, TCS,

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how many buffers are allocated to vsam ksds and esds?

0 Answers   IBM,

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what is control interval(CI) and control Area(CA)

4 Answers   EDS,

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If we are using empty VSAM file, we can see this empty file by using FILE AID tool. How can we open empty VSAM file if you are using in Program..?

3 Answers  

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what is freespace

2 Answers   EDS,

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looking at the basic definition of VSAM file how to recognize whether it is a KSDS OR RRDS OR ESDS ?

2 Answers   IBM, Infosys,

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Is CA(Control Area) is part of CI(Control Interval)

1 Answers  

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why do we use vsam file thn seqential files ?

3 Answers   Tech Mahindra,

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Is it slower if you access a record through ALT INDEX as compared to Primary INDEX? Why?

1 Answers  

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What is the utility program closely associated with VSAM?

1 Answers  

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what do you mean by define model parameter?

0 Answers   IBM,

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