Do primary key values have to be unique? Do alternate key values have to be unique?

1 Answers  

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What are the different dataset organizations used in vsam?

0 Answers  

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What is a cluster?

2 Answers  

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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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How to get the last record in vsam file in cluster?

0 Answers  

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By seeing the file itself how can we identify whether it is A vsam file or flat file

7 Answers   IBM,

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What is the difference between CI( Control Interval)and CA (Control Area)?

3 Answers   Infosys, TCS,

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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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to use the rewrite command, how should the vsam file be opened?

0 Answers   IBM,

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explain the differences between vsam and non-vsam files

0 Answers   IBM,

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What is Control Interval, Control Area ?

1 Answers   L&T,

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What are the types of VSAM datasets?

3 Answers   IBM,

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