What are cubes and olap cubes?

985

Explain what is etl process? How many steps etl contains explain with example?

893

what is data modeling?

1909

what is the use of server manager?

2136

What is Data Vault???

2745

how do u really know that paging to disk is happening while u are using a lookup transform?

2428

List few etl bugs?

941

what happens if the info.server doesn't find the session parameter in the parameter file?

1943

Informatica server and client are in different machines. You run the session from the server manager by specifying the source and target databases. It displays error . You are confident that everything is correct. Then why it is displaying the error?

3766

What are the names of the layers in etl?

1001

Difference between flat files and relational sources?

2240

Explain about the data integration suite features?

945

How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?

2271

What are snapshots? What are materialized views & where do we use them? What is a materialized view log?

1074

can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge

1802