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What is surrogate key?

Answer Posted / ram

surrogate key
is a series of sequential numbers assigned to be foreign key
for the table

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Please Help Members By Posting Answers For Below Questions

1)you have multiple source system where u receive files ,how do you actually load into mapping using transformation,what are the transformation you use? 2)you have files in ftp location ,how do you get it into mapping with you ETL concept?

2166


What are the prerequisite tasks to achieve the session partition?

1293


What is pmcmd command?

1176


Explain incremental aggregation in informatica

1180


How do you load only null records into target? Explain through mapping flow.

2069


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.

1729


HAI FRIENDS THIS KISHORE FROM KUMBAKONAM. I HAVE COMPLETED MY MCA IN SASTRA UNIVERSITY WAITING FOR MY 6 TH SEM RESULT.DURING MY PROJECT I HAVE DONE INFORMATICA COURSE AS MY AREA INTEREST COURSE IN CORE MIND TECHNOLOGIES CHENNAI.I HAVE ENQUIRY ABT ALL IT PEOPLE FOR DATAWAREHOUSING THERE IS NO OPENING FOR FRESHERS. WITH SOME EXPERIENCE ANY OTHER DOMAIN TNEN ONLY U CAN GET THAT DOMAIN(DATAWAREHOUSING) JOB.BUT I AM MORE INTEREST ON THAT TO WORK ON THAT DOMAIN(INFORMATICA).WHAT TO I DO. I AM IN HELPLESS FRIENDS/EXPORTS.WAITING FOR REPLY

2156


What is lookup transformation?

1088


expain about the tune parameters?

2454


Design a mapping to get the pervious row salary for the current row. If there is no pervious row exists for the current row, then the pervious row salary should be displayed as null.

1336


What is sq transformation?

1226


What is joiner transformation?

1062


Can we get 1st record through Informatica(without sequence number).

1516


What if the source is a flat-file?

1167


What are the components of workflow manager?

1151