What is a key field in an IMS database?
Answers were Sorted based on User's Feedback
Answer / deepak
Key field - used to uniquely identify the records in the
segment
| Is This Answer Correct ? | 15 Yes | 4 No |
Answer / bharathi
A Key field in IMS DB of a segment is a field or group of fields which assist in sorting the segment occurrences in ascending order.
This key field is not necessarily to be unique.
| Is This Answer Correct ? | 6 Yes | 3 No |
Answer / nagesh
DL/I to maintain segment in Ascending order other than key sequence.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / s
Key field and sequence field are synonymous. It is used to
access a specific root segment and hence a specific
database record.
| Is This Answer Correct ? | 1 Yes | 8 No |
What is a segment in ims?
Define DBD?
What are the advantages of a hierarchical database?
This question regarding Checkpoint. Suppose my program has checkpoint for every 100 records. If my program abends at 120 records, what will happen. I know first 100 records are committed and rest of 20 records where they gone and where they are stored.
What is the maximum number of segment types allowed for a single database?
What is secondary indexing?
Explain the maximum of key fields and search fields allowed in a segment?
Which DB access method (OSAM or VSAM) is used for primary index or secondary index and why?
Explain the maximum number of segment types allowed for a single database?
What is check pointing, sync point?
What is meant by mpp mode?
What do you know about DBD gen?