Latest Answer: Data profiling is a way to find out what is the profile of the information contained in the source. e.g. In a table a column may be defined as alphanumeric. However majority of the data may be numeric. Profiling tools will provide the statistical information ...
Latest Answer: The basic advantage of RAID is to speed up the data reading from permanent storage device (hard disk). Cheers,Ravi Kumar Garre ...
What is the difference between mapping parameter & mapping variable in data warehousing?What are the types of variable available in data warehousing?
Latest Answer: Surrogate keys are the system generated keys and used to eliminate the redundancy in the primary keys. So they are always integer numbers. ...
What is fan trap? How do you find out? How do you resolve that loop?
What is chasm trap? How do you find out? How do you resolve that loop?
How you provide security for reports?
Whenever you open a report it refresh automatically? How do set this.
Can you use different database for different universes?
What are the types of universes?
Latest Answer: metadata is :The data about data;The structured data about data;A set of independent assertions about a resource.DD is :An intergrated set of system tables;contains definitions of and information about all objects in the system;Is "data about the ...
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