What is the difference between round-robin partitioning and hash partitioning?

972

how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?

2261

what are the types in error loging?

2146

What is the difference between Data Warehousing and Data Mining?

1051

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

1071

what are the facilities provided by data warehouse to analytical users?

2077

diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture

2553

What is meant by incremental load?

1092

What is etl process? How many steps etl contains?

1028

what is granularity in Data ware House?

1719

how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?

2886

What is partitioning? Explain different types of partitioning?

1239

A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean?

2226

what is the difference steps for data modeling?

2593

Define Dynamic push down optmization?

2295