What is the use of incremental aggregation?
Answers were Sorted based on User's Feedback
Answer / lokendra
The first time you run an incremental aggregation session,
the PowerCenter Server processes the entire source. At the
end of the session, the PowerCenter Server stores aggregate
data from that session run in two files, the index file and
the data file. The PowerCenter Server creates the files in
a local directory.
Each subsequent time you run the session with incremental
aggregation, you use only the incremental source changes in
the session.
| Is This Answer Correct ? | 5 Yes | 0 No |
we have 30 wf with 3 batches means 1batch=10 wf 2 batch=10-20 wf 3batch=20-30wf through unix First you have to complete batch ofter second batch have to run how can you do in unix?
Differentiate between sessions and batches?
Name 4 output files that informatica server creates during session running?
What are the types of maping in Getting Started Wizard?
What is parameter file?
Can we use parameters of parameter file in presession command
Major difference between SQL override and Lookup Sql override
Source (Flatfile) - Target (1-1 mapping). How to load first or last 20 record to target?
When i run workflow first session runs 4 times 5th time 2nd session must run? How can u do?
what is unique constraint error ?
what is materialized view?
How can you validate all mappings in the repository simultaneously?