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 surrogate key?

Answer Posted / swagatika

IN DWH environment,Every dimension table is integrated with surrogate key,which is byforced created to maintain the consistancy of data warehouse targets.It never generate the alfa numeric number of primary key & also replace the missing values.
The natural primary key ,which is coming from database is considered as alternate key in DWH Environment

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can we use the mapping parameter or variables developed in one mapping into any other reusable transformation?

1085


Slowly changing dimensions, types and where will you use them

1653


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

1083


Write the prerequisite tasks to achieve the session partition?

1069


What is the difference between informatica 7.0 and 8.0?

951


According to his methodology what all you need before you build a datawarehouse

1687


Performance tuning( what you did in performance tuning)

1907


What is informatica?

1073


What is the session task and command task?

986


what is the difference between informatica6.1 and infomatica7.1

2181


Why do you use Mapping Parameter and mapping variable?

1676


what is the -ve test case in your project.

2325


What is domain and gateway node?

1118


What is session task and command task?

1172


Did u used latest transformations of 8.6.0? for what?

1821