In vsam why we use export-import utility?
Answers were Sorted based on User's Feedback
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...
| Is This Answer Correct ? | 32 Yes | 0 No |
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.
| Is This Answer Correct ? | 4 Yes | 0 No |
difference between vsam and database tables
What does a file status of 02 on a VSAM indicate?
what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.
What is the upgrade set?
When CISZ is declared as 4096 at cluster level,is this true that data will have 4096 and index will have default?????
In vsam at the cluster creation for KSDS FREESPACE parameter is required but for ESDS FREESPACE parameter is not required ?
What is an RBA in rrds? What does it do? What is it used for?
How are records stored in an ESDS, entry sequenced dataset?
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..?
Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now ?
why ci and ca splits are not possible in esds and rrds?
What do you mean by dirty read ?