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1. delete is not possible in esds. why?
2. i have 10 records in a esds file and i want to delete
only 1st record ..then what i have to do?.. it will not
affect any sequence of the RBA.
3. why open extend is not possible in rrds vsam file?
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Answer / guest
1) The ESDS organization will not allow you to delete the
record.
2) Using FileAid, copy first 09 record into other data set.
Which means that the new file contains only 9 records(10th
record is deleted0
3) Hope that you can use EXTEND
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / harish
deletion is not possible in ESDS.....but u can rewrite them
, if of same lenght........
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / ajit
Deletion in ESDS can be done programatically. An indicator
bit can be set for the deleted record and those can be
escaped while reading.
Other way to replace the record with spaces.
I think OPEN EXTEND is possible in RRDS.
| Is This Answer Correct ? | 1 Yes | 0 No |
During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
to use the rewrite command, how should the vsam file be opened?
Describe the uses of ams?
Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?
what will happen when you try to open an empty vsam file in a cobol program for input?
What is FREESPACE ?
How do you define a GDG ?
print ids(/)char??what is the full form of ids??
What are the different types of VSAM files available?
If you wish to use the REWRITE command haw must the VSAM file be opened?
What are the different versions of gdg named?
Explain the function of entry-sequenced data set?
COBOL 
