adspace


Is snow flake or star schema used?
If star schema means why?

Answer Posted / radhakrishnansk

star schema is used for easy retrieval.
It is in 2nd normal form.
But snow flake is in 3rd normal form it needs more joins for
retrieval.

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4814


Hi all , I am planning for informatica S - PowerCenter 8 Mapping Design certification. I have rewuired the dumps for the same. if anyone of you having the same pl. share it with me. This will be of great help. My contact is : sagardev7@gmail.com TIA , Sagar

2844


Write the unconnected lookup syntax and how to return more than one column.

1184


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

4278


What is dimensional table? Explain the different dimensions.

1281


What is dimensional table?

1185


draw informatica architecture 8.6 ?

3961


How to create the source and target database connections in server manager?

1157


How do you load first and last records into target table? How many ways are there to do it? Explain through mapping flows.

1218


How do you remove duplicate records in informatica? And how many ways are there to do it?

1252


EXL informatica Questions

1470


Explain in detail about scd type 1 through mapping.

1663


Hello, Can you please send the admin and advanced mapping design sample questions to ns_sharmin@yahoo.com?

2433


I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

1265


Write the unconnected lookup syntax?

1166