surrogate keys usage in Oracle and Informatica?

Answers were Sorted based on User's Feedback



surrogate keys usage in Oracle and Informatica?..

Answer / ranjan

surrogate key is one type of key which is used to maintain
history .
it is used in slowly changing dimension (scd)

Is This Answer Correct ?    6 Yes 0 No

surrogate keys usage in Oracle and Informatica?..

Answer / avinash kumar

If u have mulitiple records then for mentain this records we
need to generate surrogate key in informatica

Is This Answer Correct ?    6 Yes 0 No

surrogate keys usage in Oracle and Informatica?..

Answer / mahendra reddy ongole

surrogate key is system generated sequence numbers which
are used for maintaining the history in SCD-TYPE-2
applications

Is This Answer Correct ?    4 Yes 0 No

surrogate keys usage in Oracle and Informatica?..

Answer / palani

Its mainly used to maitain the uniqueness in the target
system that contains records from various source systems
ie. different source system may contain different keys as a
primary key.

Is This Answer Correct ?    1 Yes 0 No

surrogate keys usage in Oracle and Informatica?..

Answer / tanmoy

A surrogate key is the substitution of natural primary key

Is This Answer Correct ?    3 Yes 3 No

Post New Answer

More Informatica Interview Questions

What is depict expression change?

0 Answers  


My source table look like ID Name Location Salary 1 ran NULL NULL 1 NULL DELHI NULL 1 NULL NULL 1000 I want my output to look like ID Name Location Salary 1 ran Delhi 1000 What should be my approach to design a informatica mapping. Assuming my source is flat file not a Relation table so i cant use SQL.

2 Answers   BirlaSoft,


can any one explain me about junk dimension

4 Answers  


expain about the tune parameters?

0 Answers   TCS,


How can we reset Sequence Generator, when we move objects from Dev Environment to QA env?

2 Answers   Rolta,


Hi all,Can any one provide me Informatica Designer Certification dumps.I need all three papers dumps.If any one has these dumps then plz send it on this id:- nagesh.jujjuru@yahoo.com Thanks in advance

1 Answers  


Where do you create/define mapping parameter and mapping variable?

1 Answers  


1 2 3 * 4 5 6 * 7 8 9 how to load records between two stars(*),

10 Answers   Cap Gemini,


What is rank index in rank transformation?

0 Answers  


Why update strategy and union transformations are active? Explain with examples.

0 Answers  


What will happen when Mapping variable and Mapping parameter is not defined or given? Where do you use mapping variable and mapping parameter?

10 Answers   Deloitte,


What is workflow variable? When we use workflow variable? Can any one explain me with one example???

2 Answers   TCS,


Categories