What is control interval?

0 Answers  

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How to createing new version of GDG with out loosing the data in preaves GDG version?

7 Answers   Patni, Satyam,

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what is the use of the file status clause in the select statement in vsam?

0 Answers   IBM,

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Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now ?

4 Answers   Patni,

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what does a file status of 02 on a vsam signifies?

0 Answers   IBM,

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in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?

0 Answers   IBM,

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what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

4 Answers   Target,

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If fspc(100 100) 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?

0 Answers  

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there are seven idcams commands in vsam. Can you name and explain each of them?

0 Answers   IBM,

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What are the three levels of definition for the VSAM DEFINE?

2 Answers   IBM,

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Hi, I want to create alternate index on VSAM file.my file structure is ex: RoomID pic x(7) R000001 Floor pic a((6) First RoomNo pic x(2) FA1 Occupied(yes/no) pic a(3) Yes Occupied Batch pic x(10). Maths i want to create alternate index on floor,roomno fields.can i create alternate index on both the fields.and tell me how to create.

1 Answers  

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In a file(PS), we dont know how many records are there. requirement is divide half n half the records n insert into 2 another files(PS).

6 Answers   Cap Gemini, TCS,

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