Why is master catalog used in vsam?


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More VSAM Interview Questions

How do you define a KSDS ?

1 Answers   IBM,


What are the different parameters that are used in vsam?

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can we create vsam files on multiple volumes ?

3 Answers   Tech Mahindra,


What is the catalog?

1 Answers  


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.

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What is the place for VSAM KSDS?

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Is it slower if you access a record through alt index as compared to primary index?

0 Answers  


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,


How do you fix the problem associated with VSAM out of space condition?

1 Answers   IBM,


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

1 Answers  


what is the meaning of dynamic processing in vsam?

0 Answers   IBM,


How are different versions of GDG named ?

2 Answers   IBM,


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