What are the mapping paramaters and maping variables?


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Explain the difference between keylokup and joiner?

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Explain about core dimension, balanced dimension, and dirty dimension?

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Hi, i want to do certification in datawarehouse?? which certification is best in current trend?? pls mention the cost also if u can....

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how do you use commit frequencies? how does it affect loading performance?

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what are the other factors of the database on which the loading performance depend?

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what are the others of "bad files" and "discard files" when using sql*loader?

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What is scd1 , scd2 , scd3?

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three ways sql*loader could load data, what are those three types?

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what is parallelism?

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if you use oracle sql*loader , how do you transform data with it during loading?

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What is a hash cluster?

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