What is secondary indexing?
Answers were Sorted based on User's Feedback
Answer / guest
Secondary Index is used when we need to
* Access the IMS Database in an order other than its
primary hierarchical sequence
* Access a segment in the database directly without
supplying its complete concatenated key
Is This Answer Correct ? | 16 Yes | 3 No |
Answer / david
I might add that batch processing thru a secondary index is
extremely slow with many IOs. It is best used in an online
transaction when just one record is being processed at a time.
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sukanthi
Secondary indexes are based on any field (unique or non-
unique) in a IMS database. It provides for different
processing requirements other than the primary index key
sequence.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / meenal
secondary indexing means accessing a segment in different
ways... using different primary keys..
Is This Answer Correct ? | 3 Yes | 3 No |
Portfolio analysis application is an example of?
Which DB access method (OSAM or VSAM) is better and why?
What is IMS?
Which is the DL/I function used in CICS-IMS program? IBM
Define acb?
What is a Hierarchy path?
Explain the two ways in which dl/i interface can be invoked?
What is a Segment type?
What are the valid recovery points?
Looking for mainframes IMS DB training @ 9912598882
Which is the DL/I function used in CICS-IMS program?
Write the format of program starting from identification division for checkpoint restart logic.