Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What is the difference between lookup override and souce
qualifier override ?

Answer Posted / kunal

1) SQ Override- In case of SQ override the unwanted columns
are filtered out and the required columns based on some
filter condition returned as an input to the next
transformation.
LKP Override- In case of LKP override, look up conditions
are checked and the records passed to next
transformation.Look up override can be applied on source or
target table.
2) In case of SQ override user has to mention order by
clause when required.
In LKP override the look up trans. internally apply order
by clause and if user want to use order by clause, user has
to mark '--' to disable the lkp order by clause.

Is This Answer Correct ?    13 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In informatics server which files are created during the session rums?

1165


Explain the use of aggregator cache file?

1317


Which transformation is needed while using the Cobol sources as source definitions?

1219


What does command task mean?

1216


what is the -ve test case in your project.

2458


explain abt ur project architecture?

2232


What is resilience time?

1227


How we can create indexes after completing the loan process?

1251


Performance tuning( what you did in performance tuning)

2055


Where do we use mapping variables in informatica?

1120


How to load data in informatica ?

1068


How to generate sequence numbers using expression transformation?

1148


how can we find the bottle neck in SQL Query in SOURCE QUALIFIER, and how can we tune it..?

7178


What is a repository manager?

1148


What happen when you enable grid option avilable at session level ? (Ans found: Scalabily . A single session Parallelization) But how can one session is sharable among different nodes at the same time while running ?

2408