Answer / guest

Unique Case: 5 + ( alt-key-length + primary-key )

Non unique Case: 5 + ( alt-key-length + n * primary-key )
where n = number of duplicate records for the alternate key

What is a VSAM slot?

1 Answers  

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is it slower if you access a record through alternative index as compared to primary index?

1 Answers   IBM,

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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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if you wish to use the rewrite command how must the vsam file be opened?

1 Answers   IBM,

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explain how can you initialize a vsam file before any operation?

1 Answers   IBM,

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In vsam at the cluster creation for KSDS FREESPACE parameter is required but for ESDS FREESPACE parameter is not required ?

4 Answers   IBM,

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What is the base cluster?

1 Answers   CGI,

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max how many AIX coded in a vsam dataset??

2 Answers  

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what's the biggest disadvantage of using a VSAM dataset?

8 Answers   Anjana, CTS, DSRC, IBM,

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Why is master catalog used in vsam?

1 Answers  

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

4 Answers   EDS,

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Do all versions of the GDG have to be of the same record length ?

3 Answers   IBM, iNautix,

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