What are the different types of scd's used in data warehousing?
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Explain ddl (data definition language)?
How to reduce warnings?
why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.
How can you import tables from a database?
What is a core dimension?
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
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Where do we use semi and non additive facts?
How can you define a transformation? What are different types of transformations in Informatica?
What is data stream and data adaopter. Is it same are different? Explain?
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
Database in use is oracle?