In update strategy target table or flat file which gives
more performance ? why?

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

whats the logic to load the lower level of granularity of data to fact table.

1814


How many ways a relational source definition can be updated and what are they?

590


Hello , I am unable to work with SQL transformation at least. Where do i need to give connection for sql transformaton ? At session level there is no property . I have created a SQL Transformation and chosen query mode. But do i need to pass connection information to it ? I don't know where do i need to write a query ? I have written a query in file and that file path i gave in the properties of SQL Transformation. But it is not working. Could any one of you please let know how can i work with SQL Transformation? Advance Thanks.

2332


what are factless facts? And in which scenario will you use such kinds of fact tables.

1324


What are connected or unconnected transformations?

634






Name at least 5 different types of transformations used in mapping design and state the use of each.?

686


What will happen if the select list columns in the custom override sql query and the output ports order in sq transformation do not match?

558


What all are steps in up gradation of Informatica server?

629


Explain lookup transformation is active in informatica

671


what are the deliverables?in your project?

1667


what is Active lock explain

2378


wat are deployement groups in informatica, how it will be used for developers

1266


How do you change a non-reusable transformation to reusable transformation?

605


What are the modules in Power Center

1246


Enlist the various types of transformations.

566