1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?

3 Answers  

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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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How do you convert flat files to VSAM files ?

5 Answers   EDS, IBM,

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explain how do you define a gdg in vsam?

0 Answers   IBM,

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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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how do you create an alternate index ?

0 Answers   IBM,

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Explain the meaning and syntax for the START command. ?

4 Answers   IBM,

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how yo view the vsam file?

5 Answers   DSRC, TCS,

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What more info you should give in the DD statement while defining the next generation of a GDG?

1 Answers   IBM,

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By looking into the Jcl can we identify the dataset is VSAM?

5 Answers   Cognizant, Keane India Ltd,

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name the utility program closely associated with vsam?

0 Answers   IBM,

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