Tell about the ams used in vsam?

0 Answers  

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what is the meaning of each of the values in shareopts(2 3)?

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?

2 Answers   IBM,

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

1 Answers  

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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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what is the meaning of dynamic processing in vsam?

0 Answers   IBM,

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How do you convert flat files to VSAM files ?

5 Answers   EDS, IBM,

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what is meant by s0c-07 system abend codes?

0 Answers   IBM,

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On which datasets You can have ALT INDEX?

2 Answers  

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explain how do you define a gdg in vsam?

0 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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Explain the function of entry-sequenced data set?

0 Answers  

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