What is surrogate key?

9 Answers  

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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  

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List the transformation used for the following: (1) Heterogeneous Sources (2) Homogeneous Sources (3) Find the 5 highest paid employees within a dept. (4) Create a Summary table (5) Generate surrogate keys

1 Answers  

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What is the difference between a shortcut of an object and copy of an object? Compare them.

3 Answers  

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how to connect two or more table with single source qualifier?

4 Answers   IBM,

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What is data merging, data cleansing and sampling?

6 Answers   Satyam,

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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  

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Difference Between ETL & ELT?

1 Answers   TCS,

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i have flat file it contains 'n' number of records, i need to send half of the records to one target table and Remaining half to another target table: pls full details

8 Answers   L&T, TCS, UnitedHealth Group, Wipro,

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If I have a index defined on target table and if set it to bulk load will it work ?

4 Answers   IBM,

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how can u generate sequence of values in which target has more than 2billion of records.(but with sequence generator u can generate upto 2 biliion only)

6 Answers   Accenture,

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Is scd logic we have lookup right to compare the values with source and target,instead of lookup can u have any transformation or any way to do this?

2 Answers  

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