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 are the transformations that are used in data
cleansing ? and how data cleansing takes place ?

Answers were Sorted based on User's Feedback



what are the transformations that are used in data cleansing ? and how data cleansing takes place ..

Answer / avinash

Expression tranformation is used in data cleansing.

If ur target table consist of not null column and source
table consisting null columns so assign some value in
expression tr.
and then pass data to target.

Is This Answer Correct ?    1 Yes 0 No

what are the transformations that are used in data cleansing ? and how data cleansing takes place ..

Answer / shashiall

Source Qualifier Transformation and Expression
Transformation are used for Data cleansing.
Data types ,Date formats,null ..not null
constraints ..these r main things considered in the data
cleansing.

Is This Answer Correct ?    1 Yes 0 No

what are the transformations that are used in data cleansing ? and how data cleansing takes place ..

Answer / d.chandrasekar

Hi Friends,

My point of view FILTER AND EXPRESSION TRANSFORMATIONS are
used to data cleansing.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Informatica Interview Questions

how we can update a target table without update strategy and update override?

3 Answers   TCS,


Explain the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

0 Answers  


How to send duplicates to one target and unique rows to one target?target is empty

9 Answers   Amazon, IBM, Wipro,


What is the difference between informatics 7x and 8x and what is latest version?

0 Answers  


What is the difference between sequential batch and concurrent batch and which is recommended and why?

1 Answers  


Is it possible to create multiple domains on a single Informatica server?

0 Answers  


Can I create one wrkflw which will run different wrkflws on schedule time?

3 Answers  


What is data merging,data cleansing,sampling?

4 Answers  


rank() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid order by case when opt2.dm_market_flg in ('Y', 'U') then 1 else 2 end, lkp.contact_rank) as rank1, case opt2.contact_type when 'Buyer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, ship_to_flg desc , last_order_dt desc) when 'Decision Maker' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc , last_quote_dt desc , mailability_score desc , source_ranking desc) when 'Influencer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) when 'Payer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) --elu 05/28/2013 else row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) end rank2 row_number() over (partition by opt3.dim_plat_site_id, opt3.dim_site_opt_sid order by rank1,rank2) as "rank", case when "rank"<= opt3.maximum_value then 'Y' else 'N' end as include_flg

0 Answers  


Plz..let me know differences between Informatica 7.1 and 8.1?

3 Answers  


what transformations are used for Variable port?

2 Answers  


If no. of source columns is changing every time (First time it is 10 next time it is 20 so on). How to deal with it without changing mapping?

9 Answers  


Categories