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What is different between the data warehouse and data mart?
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how tokens will generate?
a flat file having 1 laks records. if i want convert excel file what happen. (bcz a exccel sheet having 65536 colums but flat files one lak columns). how to get one laks colums in excel sheet .
what is mean by flag 4 in update strategy t/r
How to find from a source which has 10,000 records, find the average between 500th to 600th record?
how can we load 365 flat file to a single fact table (target) as a history load in single mapping?
why we use stored procedure transformation?
-Which expression we can not use in Maplets?, -Can we join(relate) two dimensions in a schema? -Why and where we use 'sorted input' option?
what are challenges that you faced in testing? give solution to it?
what is pre and post sql and what is diff between source presql and target pre sql
why u go for dimensions ?
What is the different lookup cache(s)?
What are active and passive transformations?
Teradata 
