In update strategy target table or flat file which gives
more performance ? why?
Answers were Sorted based on User's Feedback
Answer / abhinav
I guess the question was wrong as you cannot update a flat file as target.
In a Flat file data can only be inserted not updated.
Is This Answer Correct ? | 6 Yes | 0 No |
Answer / naga
Flat file is better only for Insert,but if you are using
Update strategy for updating a table and also we a Flat
file cannot be updated
Is This Answer Correct ? | 7 Yes | 2 No |
Answer / naga
Flat file is better only for Insert,but if you are using
Update strategy for updating a table then table gives
better performance and FYI a Flatfile cannot be updated
Is This Answer Correct ? | 9 Yes | 4 No |
Answer / sriram
Update strategy can be performed on tables not on Flat files.
Is This Answer Correct ? | 1 Yes | 0 No |
Answer / nishtha
Can someone pls give correct answer for this question?
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / nagaraju
flat file is better than relational becoz there is no index concet in flat file
Is This Answer Correct ? | 1 Yes | 1 No |
Answer / sanjay
Flate file give better performance bcz Retrival of data
from flat file is fast then relation database
Is This Answer Correct ? | 2 Yes | 5 No |
Why we select the table which has minimum number of records as Master table in joiner?
how can import the data from the flat files?
PLS REAL TIMERS IAM WAITING FOR FAVOROBLE REPLY..REGARDING ETL TESTING INFORMATION...ETL TESTER NEEDS ETL DEVOLPMENT KNOWLEDGE OR NOT..?. IF HE NEED DEVLPMNT KNOW WHAT HE LEANR FIRST... AS A DEVOLOPER U KNOW THE ETL TESTING PROCESS.. PLS EXPLAIN IN DETAIL THANK U
Informatica software installation 8.1/7.1.3/7.1 with oracle 10g database (optional Teradata v2R6)
What is powercenter on grid?
What are multi-group transformations?
Please explain in detail with example about 1.Confirmed Dimension. 2.Junk Dimension. 3.Degenerated Dimension. 4.Slowly changing Dimensions
What is the function of look up transformation?
8.what is mapplet ?give example?
how can we run workflow with pmcmd?
What is union transformation?
what is lookup chache?