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In update strategy target table or flat file which gives
more performance ? why?
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Answer / abhinav
I guess the question was wrong as you cannot update a flat file as target.
In a Flat file data can only be inserted not updated.
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / naga
Flat file is better only for Insert,but if you are using
Update strategy for updating a table and also we a Flat
file cannot be updated
| Is This Answer Correct ? | 7 Yes | 2 No |
Answer / naga
Flat file is better only for Insert,but if you are using
Update strategy for updating a table then table gives
better performance and FYI a Flatfile cannot be updated
| Is This Answer Correct ? | 9 Yes | 4 No |
Answer / sriram
Update strategy can be performed on tables not on Flat files.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / nishtha
Can someone pls give correct answer for this question?
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / nagaraju
flat file is better than relational becoz there is no index concet in flat file
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / sanjay
Flate file give better performance bcz Retrival of data
from flat file is fast then relation database
| Is This Answer Correct ? | 2 Yes | 5 No |
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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