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Informatica Interview Questions
Questions Answers Views Company eMail

What will happen if the select list columns in the custom override sql query and the output ports order in sq transformation do not match?

178

How does a rank transform differ from aggregator transform functions max and min?

198

What is xml source qualifier transformation in informatica?

210

What are the transformations that cannot be placed between the sort origin and the joiner transformation so that we do not lose the input sort order?

218

What differs when we choose the sorted input for aggregator transformation?

184

What do you understand by term role-playing dimension?

194

What is parallel processing in informatica?

199

What is meant by lookup transformation? Explain the types of lookup transformation?

184

What if the source is a flat-file? Then how can we remove the duplicates from flat file source?

187

WHat all joins are there in Source Qualifier?

185

What all join we can perform in LOOKUP transformation?

181

Difference between Target-based loading and constraint-based loading?

190

Different circumstance which drives informatica server to expel records?

177

Separate from an archive server and a powerhouse?

183

Make a note of the quantity vaults made in informatica?

170


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Un-Answered Questions { Informatica }

list out all the transformations which use cache?

235


what is the size of u r source(like file or table)?

1385


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

223


What is aggregate cache in aggregator transformation?

217


Write the prerequisite tasks to achieve the session partition?

224






How do you load unique records into one target table and duplicate records into a different target table?

201


What are the mapping parameters and mapping variables?

214


What is a grid in Informatica?

223


During the running session, output files are created by informatica server. Enlist few of them.

194


Which are the different editions of informatica powercenter that are available?

189


where to store informatica rejected data? How to extract the informatica rejected data?

199


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

1060


Write the unconnected lookup syntax?

202


What are the static cache and dynamic cache in informatica?

211


Describe expression transformation?

198