If we have a two tables A & B A contain 10 records,B contain 20 records,what w'll b the o/p if we perform normal join,Master outer join,Detail outer join and Full Outer join how?

Answer Posted / gurpreet singh

Normal Join - All matching rows of A and B
Master Outer join - All rows of detail including matching
rows from master
Detail Outer join - All rows of Master including matching
rows from detail.
Full outer join - All rows from Master and detail table
including matching rows.

Is This Answer Correct ?    14 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the deliverables?in your project?

1655


What do you mean by enterprise data warehousing?

638


How do you change a non-reusable transformation to reusable transformation?

592


What is resilience time?

651


Enlist the tasks for which source qualifier transformation is used.

584






How you prepared reports for OLAP?

1149


Whats there in global repository

1262


I have a flat file, want to reverse the contents of the flat file

686


What are the guidelines to be followed while using union transformation?

635


Explain is there any way to read the ms excel datas directly into informatica? Like is there any possibilities to take excel file as target?

629


To import the flat file definition into the designer where should the flat file be placed?

673


What is data caches/ index caches?

611


Under what conditions selecting sorted input in aggregator will still not boost session performance?

630


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

1525


Enlist few areas or real-time situations where informatica is required.

588