in which situations we go for pesistent cache in lookup and
which situations go for shared lookup cache?
Answers were Sorted based on User's Feedback
Answer / naga
If the lookup does not change between sessions, you can
configure the transformation to use a persistent lookup
cache. When you run the session, the Integration Service
rebuilds the persistent cache if any cache file is missing
or invalid.
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / sbvp
1.persistent is session level. it increase the perfomance.
it is useful for mutliple session runs.
2.if we want to lookup on mutli t/r's we go for shared
lookup
thanks
sbvp
| Is This Answer Correct ? | 0 Yes | 0 No |
Q. WE ARE LOADING ORACLE TABLE THE PROCESS RUNS THREE HOURS. THIS TABLE IS BEING USED BY SOME DOWNSTREAM TEAMS SO WHAT WE WANT IS IN BETWEEN RUN IS PROGRESS IF ANYONE IS FETCHING THE DATA FROM THE TABLE THEY SHOULD SEE DATA TILL YESTERDAY TILL THAT. AFTER THAT PROCESS IS COMPLETED ONLY THEN TEAM SHULD BE AVAIBLE TO SEE TODAY DATA UPDATED. WE DONOT WANT TO LOG THE TABLE. NEED APROACH FROM YOUR SIDE.
What is active and passive transformation?
what is the purpose of surrogate key and diff between primary key&surrogate key
What are the differences between joiner transformation and source qualifier transformation?
What is decode in static cache?
How to generate a single mapping for both the historical and incremental load.
How to load time dimension?
which one is better performance wise joiner or look up
what is the significance of newlookup port in dynamic look up
What is dimensional table?
If you want to create indexes after the load process which transformation you choose?
what is degenerated dimension