Explain the data types present in bo n wht happens if we implement view in the designer n report?

980

What are parallel querys and query hints?

2228

How to define a cube??

928

What is the main difference between star and snowflake star schema? Which one is better and why?

1035

What is many-to-many dimensional model in datawarehousing ?

933

What are the various tools? Explain name a few?

959

List any five applications of data warehouse.

939

What is an error log table in informatica occurs and how to maintain it in mapping?

965

Explain what are fact, dimension, and measure?

992

Explain what does level of granularity of a fact table signify?

956

Explain degenerate dimension table?

1046

What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?

949

Explain the hierarchies level data warehousing.

885

Explain which columns go to the fact table and which columns go the dimension table?

927

Explain what are the advantages and disadvantages of reporting directly against the database?

1002