Interested to Buy Any Domain ? << Click Here >> for more details...
How to delete duplicate records if we have huge volume of
records in a table ?
(rowid is not the correct approach)
- 6 Answers
- 10300 Views
- Puma, I also Faced
- E-Mail Answers
Answer Posted / chandrasekar
First we can count the no of records using aggregator
Transformation with group by (port) for ex, in emp table
take empno. Second we can take the Filter condition like
count=1. Other records are rejected not loaded into the target.
Hope it will help little bit...
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
difference between repository database and repository service?
How you prepared reports for OLAP?
What if the source is a flat-file?
What are the tasks that source qualifier perform?
Suppose we have two source qualifier transformations sq1 and sq2 connected to target tables tgt1 and tgt2 respectively. How do you ensure tgt2 is loaded after tgt1?
What are the differences between oltp and olap?
What is DR strategy for Informatica project?
Can some one explain me about Telecommunications(wireless) project in Informatica? Thanks in advance
Is there any way to read the ms excel datas directly into informatica?
Why update strategy and union transformations are active?
What is substr in informatica?
What is an expression transformation?
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.
Where are the source flat files kept before running the session?
How we can create indexes after completing the load process?
