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Sequential (QSAM) files can be created on tape while ESDS
files cannot. Also, you can have ALTINDEX for an ESDS while
no such facility exists for QSAM files.

What is the purpose of having vsam data space?

0 Answers  

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What does a file status of 02 on a VSAM indicate?

1 Answers   IBM,

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How do I declare the KSDS vsam so that I can store a reocrd with variable length?.

2 Answers  

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What is the meaning of the DEFINE MODEL parameter?

1 Answers  

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What is the difference between shroptions(2 3) and shroptions (4 3) in the Def CLUSTER ??

3 Answers  

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What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 Answers  

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The first VSAM file V1 has 2 fields A and B . There is a DB2 file which has fields E and f. We need the fields A, B , E and F to another VSAM file called V2. Kindly mention the logic in procedure division in cobol..

2 Answers   Cap Gemini,

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Explain the meaning and syntax for the START command. ?

4 Answers   IBM,

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In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

0 Answers   RBS,

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What are the different parameters that are used in vsam?

0 Answers  

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what's the device independent method to indicate where a Record is Stored?

1 Answers  

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I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 Answers  

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