What is surrogate key?

Answer Posted / sunil kumar singh

Surrogate Key is artificial that is created for
datawarehousing for generating the unique number for each
record. Surrogate key works on the behalf of primary key.
And main purpose of surrogate key is to maintain the
historical record.

Is This Answer Correct ?    15 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the difference between a connected look up and unconnected lookup?

567


Can we override a native sql query within informatica?

626


What is the difference between stop and abort in informatica

658


I am not able to connect to the domain with the client although all services and databases are up and there is no network issue?

598


tell me about your project functionality

1863






What is decode in static cache?

586


How many dimensions are there in informatica?

623


Give some information on report bursting and how to do it in bca as I have to split the report and send different reports to different people?

549


What do you understand by term role-playing dimension?

571


What do you mean by enterprise data warehousing?

639


When do you use sql override in a lookup transformation?

583


Define joiner transformation?

591


Do you find any difficulty while working with flat files as source and target?

670


What do you mean incremental aggregation?

621


What are roles and groups and benefits of using them?

569