Answer / Priya Singh

Sequential files are used for read-only access, with records written to the end of the file. ESDS (Extended Sequential Set) files support both read-only and read-write operations, as well as allowing multiple users to access the same dataset simultaneously.

How many cluster index can have in a table?

3 Answers   HSBC,

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is delete operation supported in an esds? Is rewrite operation possible in esds?

1 Answers   IBM,

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what is the difference b/w sequential and ESDS

6 Answers   EDS, IBM, Maples,

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What are the access method services used in vsam?

1 Answers  

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What are the common vsam error conditions and codes?

1 Answers  

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

4 Answers   EDS,

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What are the different types of VSAM files available?

3 Answers   CSC,

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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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Explain the function of the relative record data set?

1 Answers  

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What does the keyranges parameter in define cluster commends do?

1 Answers  

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Define gdg?

1 Answers  

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how many buffers are allocated to vsam ksds and esds?

1 Answers   IBM,

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