What is a hash cluster?
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What are the differences between star and snowflake schema?
What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh
wht is degenerated dimension ?it's uses?
What is is the guidelines to build universe with better performance? R performance tuning issues of universes?
How to join 3 database like flat file, oracle, db2 in informatrica?
What is a full backup?
If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?
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What are the key features of chameleon that separates it from other algorithms?
Explain ddl (data definition language)?
What is ods (operation data source)?
If two relational tables are connected to sq trans, what are the possible errors it will be thrown?
How to performance tune reports?