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Data Warehouse Interview Questions
Questions Answers Views Company eMail

What is tracing level and what are the types?

958

Can there be sub steps of etl steps?

1028

What are the etl testing operations includes?

1111

What are the various tools used in etl?

1045

What is partitioning? Explain different types of partitioning?

1241

What do you understand by active and passive transformations?

941

What are the names of the layers in etl?

1001

What are the different etl testing categories as per their function?

1076

how many steps are there in etl process?

980

What is meant by incremental load?

1096

Compare etl & elt?

1012

What dedup-component and replicate component does?

1274

What the difference between “look-up” file and “look is up” in abinitio?

1362

What is the role of co-operating system in abinitio?

1446

What is a look-up?

1256


Un-Answered Questions { Data Warehouse }

define tm1 package connector?

5


What is a security filter in microstrategy?

1021


what is a security filter?

997


What is SAS?

1053


How substr function works in sas?

1222


What are the components of the report studio?

1178


What are the scenarios in which full table scans occurs?

1009


How abinitio eme is segregated?

1282


What is run-group processing?

1159


What are the mapping paramaters and maping variables?

1032


how you create security to reports?

1054


How scientific data processing is different from commercial data processing?

1082


in the flow of data step processing, what is the first action in a typical data step? : Sas programming

1077


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

1970


If a variable contains only numbers, can it be a character data type?

1086