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• what is testing?
• what is the need for testing?
• testing methodologies
• software development life cycle
• software testing life cycle
• types of testing

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• what is data ware house?
• difference between oltp and data ware housing
• data extraction
• data transformation
• data loading

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• dependent data mart
• independent data mart

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• top down approach
• bottom up approach

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• star schema
• snow flake schema

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• type-1 scd
• type-2 scd
• type-3 scd

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• sql concepts
• overview of etl tool architecture
• testing functionality on different transformation rules
• data warehouse life cycle
• different types of testing techniques in etl

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• what is use of testing?
• what is quality & standards?
• roles & responsibilities of an etl tester

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• etl testing work flow process
• how to prepare the etl test plan
• how to design the test cases in etl testing.
• how to reporting the bugs in etl testing?
• etl testing responsibilities in data stage, informatica,ab initio etc;
• how to detect the bugs through database queries
• etl performing testing & performing tuning

etl test cases
etl testing life cycle
day to day process
unix