why dimenstion tables are denormalized in nature ?

3 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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What are the tuning techniques you applied during your last project

0 Answers  

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How to fix the etl bugs..Tell me the process?

1 Answers   IBM,

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I am hvaing SOURCE as 1000,null,null,null null,2000,null,null null,null,3000,null null,null,null,4000 Now i want the OUTPUT as 1000,2000,3000,4000 For more clarification i want to elimate nulls and want in a single line. Please help me out

5 Answers   IBM,

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how many ways can we implement SCD2?

4 Answers   IBM, TCS,

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Diff B/W MAP Parameter, SESSION Paramater, DataBase connection session parameters.? Its possible to Create 3parameters at a time? If Possible which one will fire FIRST?

6 Answers   Accenture, HCL,

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I have a source file its is CSV(comma separated). I want to convert it to tab separated. Make sure the conversion happens on all commas except the ones enclosed in Double quotes .

2 Answers   CTS,

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what is constraint based loading

2 Answers   IBM,

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how do u use sequence created in oracle in informatica? Explain with an simple example

6 Answers   CTS,

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How to load the source table into flat file target(with columns) in informatica?

4 Answers   Accenture,

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Write the different tools in the workflow manager?

0 Answers  

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