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Q a) Identify and discuss the problems which are occurred during dataquality ver

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Q  a)       Identify and discuss the problems which are occurred during dataquality verification for the single-source and multi-sourceproblems.      b)      Testing has very importantrole in DWH. In ETL testing phase, how can we perform theintegration testing and regression testing? Q  a)       Identify and discuss the problems which are occurred during dataquality verification for the single-source and multi-sourceproblems.      b)      Testing has very importantrole in DWH. In ETL testing phase, how can we perform theintegration testing and regression testing?      b)      Testing has very importantrole in DWH. In ETL testing phase, how can we perform theintegration testing and regression testing?

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