According to his methodology what all you need before you build a datawarehouse

0 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

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how lookup transformation is made active in new versions... When to use connected and when to use unconnected lookup and why? which is good for session performance. How to make lookup persistent and how to remove stale data from that lookup. how commit works - when we stop or abort data. Explain in both cases. What is factless fact table and have you ever used it in real time scenarios.

0 Answers   CTS,

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LOOKUP Condition is nothing but a Join condition? What type of join condition it,by default ? Using the LookUP Condition How many types of relational conditions we can make ?

6 Answers  

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If one flat file contains n number of records., we have to load the records in target from 51 to 100.. how to use expressions in Informatica..?

6 Answers  

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What are two types of processes that informatica runs the session?

2 Answers  

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What is the grain level in DWH? If i have year to day. what is the grain level of DWH from year to day.

1 Answers   Zensar,

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What is olap (on-line analytical processing?

0 Answers  

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if we r using aggregator we enabled sorted input but the records r not sorted what happen?

7 Answers   HSBC,

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we have table like cust_id,cust_name,cust_loc like this 1.we need to get perticular location,to do this we can use filter transformatin,that logic is same for relation table and flat file tabl?

2 Answers  

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Two workflows are running at same time first workflow is succeeded but second workflow is failed but there is no dependencies?

1 Answers   IBM,

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How to view and Generate Metadata Reports?

1 Answers  

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