Answer / mr. cooooool

Hi....................

Vsam is a collections of 4 types of files(KSDS,ESDS,RRDS,LDS)
which can be accessed Sequentialy,Randomly & Dynamicaly.

While Dataset can be a Type of VSAM, QSAM OR NON-VSAM.


THANKS.

Answer / mahesh

data sets are two types
1 vsam data sets
2 normal datasets
vsam data sets are called asa clusters here records are
saved in the control intervals(CI)
but in normal data sets records are entered in blocks

what is the purpose of the verify function of idcams?

0 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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If FSPC(100 10 is specified does it mean that both the control interval and control area will be left empty because 100 % of both CI and ca are specified to be empty?

1 Answers   DSRC,

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What is Control Interval, Control Area?

1 Answers  

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what is a Base Cluster?

3 Answers   HSBC, TCS,

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Explain the biggest disadvantage of using a vsam dataset?

0 Answers  

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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 does the keyranges parameter in define cluster commends do?

0 Answers  

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How do you initialize a VSAM file before any operation? a VSAM with alternate index?

2 Answers   IBM,

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differentiate between sequential files and esds files in vsam?

0 Answers   IBM,

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What is the procedure for running the batch job in mainframe?

1 Answers  

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What are the different dataset organizations used in vsam?

0 Answers  

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