Answer / ranjan

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

Answer / avinash kumar

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

Answer / mahendra reddy ongole

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

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.

Answer / tanmoy

A surrogate key is the substitution of natural primary key

My source is delimited flat file Flat file data is H|Date D1|ravi|bangalore D2|raju|pune T|4 The data will be send to target if the fallowing two conditions satisfied 1.The first row Date column is equal to SYSDATE 2.Last record second port equal to number of records. How to achieve?

2 Answers   Sapient,

What is the difference between the system variables $$$SessStartTime and SESSSTARTTIME?

2 Answers  

What is the difference between router and filter?

0 Answers  

How to identify this row for insert and this row for update in dynamic lookup cache

3 Answers   CSC,

What is fact table? Explain the different kinds of facts.

0 Answers  

how will you get 21 to 30 record from 50 records?

6 Answers  

Mapplets ( can you use source qyalifier, can you use sequence generator, can you use target)

1 Answers  

S1 is having 1 lakh records and s2 is having 100 records, s2 should compare s1 if emp no is same data should be updated if not their it should insert the data.what are the transformation used?

5 Answers   TCS,

What are 2 modes of data movement in Informatica Server?

1 Answers   Informatica,

1)how to generate sequnce numbers in informatica without using sequnce genarator transformation. 2)i have number of records in my sourse, but iwant to display first and last record only. how it is possible in informatica. 3)i want to update the records without using updatestrategy transformation. 4)what is diffrance between ab-intio and datastage than compared to informatica. 5)what is the latest version of informatica in our field.

5 Answers   CTS,

what r the values tht r passed between informatics server and stored procedure?

1 Answers  

Suppose on 1st Nov 2010 you had created a mapping which includes huge aggregator calculations and it is under process for next two days. You will notice that even on 3rd day also its still calculating. So without changing a logic or changing a mapping How will you troubleshot or to run that mapping? Explain the steps

0 Answers