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.


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Informatica Interview Questions

my table contain duplicate Records i wanna load uniq records to my table . i have to pass the uniq records through filter t/r how?

3 Answers   ACS,


1. When u r checking out what ll happens for version no? a. Increase b. decrease c.reset to 0 d. reset to 1 e. no change 2. Salary of all employees needed to add with the commision. What transfrmation to be used? a. SQ and Expression b. SQ c. Update Strategy d. Expression 3. Which of the task is used to run a session based on success of the other session? a. Decision b. Event wait c. Email d. Command e. None 4. Types of sources in Informatica? a. Homogenous n Heterogenous b. None c. Cobol n XML d. Flat files e. Flat files and Homogenous n Heterogenous 5. Servers are available in informatica? a. Informatica Server and Workflow server b. Informatica Server and Informatica Repository Server c. Informatica Server d. Workflow server e. Informatica Repository Server 6. While using Pmcmd in cmd line mode, each command must include the connection info of which of the following? a. workflow manager b. Power Center server c. Workflow monitor d. Repository manager e. Designer 7. Workflow montior displays workflows that have run a. once b. twice c. never d.four times e. thrice 8. Mode for handling sessions n workflows? a. server mode b. Wait mode c. Command line mode d. User mode e. Interactive mode 9. Connection details configured in? a. Mapping designer b. Workflow manager c. Workflow monitor d. Repository manager e. Worklet designer Thanks in Advance

0 Answers   CTS,


difference between top down(w.h inmon)and bottom up(ralph kimball)approach?

2 Answers   PayPal,


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,


how can send duplicate records to one tableand non duplicate records to one table with simple clear mapping?

5 Answers   DELL,






How does the server recognize the source and target databases. Elaborate on this.

1 Answers  


tell me the push down optimization

2 Answers   Wipro,


There are 4 source files which contains same metadata create target that should display the file name along with record please send answer with mapping

3 Answers   Wipro,


. Design a mapping, first two phone calls received by a customer must be represented as "Home" , "Office" and the next calls must be concatinated and represented as "Other".Look at the below tables :: Source Definition Customer Phone_Number A 9848403211 A 9812675432 A 9112356788 A 9876503276 B 9567890765 B 9876098567 AND THE TARGET IS Customer Home Office Other A 9848403211 9812675432 9112356788,9876503276 B 9567890765 9876098567 Null

3 Answers  


i have f;latfile source. i have two targets t1,t2. i want to load the odd no.of records into t1 and even no.of recordds into t2.

3 Answers   Wipro,


What is the Hierarchy of DWH?

1 Answers  


What are the validations that you can perform in oracle and in informatica ? Advance Thanks

0 Answers   Puma,


Categories