Is it necessary that all the segments in a Dl/i database
have key fields ?
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Answer / s
Database Records are accessed in Root key sequence when
using HIDAM database. The HIDAM index stores one record for
each root key and its RBA. However you can also access the
records using an alternate sequence field by using
secondary indexes.
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What is psb?
What is acbgen process?
What information does a psb contain?
What is dl/i?
How does one reorg an HDAM IMS database when changing RAPS (Root Anchor Points)?
Explain the maximum of key fields and search fields allowed in a segment?
How many root segments do we have per database record?
Which DB access method (OSAM or VSAM) is used for primary index or secondary index and why?
What is IMS?
What is a key field in an IMS database?
Explain the processing modes available in ims db?
What is the limitation on the no. of levels in a DL/I database?
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