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Data Warehousing Basics Interview Questions and Answers

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Data Warehousing Basics Interview Questions & Answers


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Questions Question: What is hybrid slowly changing dimension
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Questions Question: can a dimension table contains numeric values?
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Questions Question: How to Create Surrogate Key using Ab Initio?
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Questions Question: Differences between star and snowflake schemas
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Questions Question: What is a CUBE in datawarehousing concept?
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Questions Question: Difference between Snow flake and Star Schema. What are situations where Snow flake Schema is better than Star Schema to use and when the opposite is true?
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Questions Question: What is ER Diagram
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Questions Question: What is degenerate dimension table?
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Questions Question: What is VLDB
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Questions Question: What is Dimensional Modelling
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Questions Question: What are the vaious ETL tools in the Market
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Questions Question: What is the main differnce between schema in RDBMS and schemas in DataWarehouse....?
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Questions Question: What are the possible data marts in Retail sales.?
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Questions Question: 1.what is incremintal loading? 2.what is batch processing? 3.what is crass reference table? 4.what is aggregate fact table
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Questions Question: What is meant by metadata in context of a Datawarehouse and how it is important?
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Questions Question: What is a linked cube?
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Questions Question: What is surrogate key ? where we use it expalin with examples
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Questions Question: Wht r the data types present in bo?n wht happens if we implement view in the designer n report
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Questions Question: What is data validation strategies for data mart validation after loading process
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Questions Question: What is Data warehosuing Hierarchy?
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When there is any situation that u should attach a new patch to ur kernel , then download the patch and install it,to make changes to kernel , go to ok prompt and type boot -r, it will update or reconfigure the kernel
Honesty, helpful and reliable
procedure is a set of sql statement ,are combined to gether to perform a specific task or to solve a specifi problem.it does not return value.
leadership is power to influence a group so that the members willingly exert efforts as aspired by the leader.
I have the unique combination of technical skill and the ability to build strong customer relationship. I have the ability to stay focussed in stressfull situation. I would be great addition to your team.
first execute the bc search spec to fetch the data then executes the applet search spec if applet search spec is not match with bc it skips
TCP-Transmission Control Protocol. TCP is Reliable. TCP is Connection oriented. UDP-User Datagram Protoco UDP is Unreliable. UDP is Connectionless.
By default in structure all data member and member function are public,i,e if you not mentation any access specifier. But in case of class By default all data member and member function are private.
Structure is a user defined data type. By default all structure variables are public type and we cann't use access specifier in structure type variable, where as in class we can define objects(variables) under required access specifier type.
variable cost is the cost which is not fixed in nature

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