What is the Hierarchy of DWH?

1 Answers  

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What if we sort the data in descending order instead of increasing order in sorter t/f and send the data in aggregator t/f is there any performance downfall? Please answer below. thank you.

4 Answers   JPMorgan Chase,

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What is a stored procedure transformation?

0 Answers  

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What is the maplet?

0 Answers   Informatica,

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What are mapping parametres and variables in informatica?

6 Answers   TCS,

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hi,there is a scenario like. there are three columns empid,salmonth, sal contains the values 101,jan,1000 101 feb 1000 like twelve rows are there then my required out put is like contains 13 columns empid jan feb marc.......dec and the velues are 101 1000 1000 1000 like this . thank you

5 Answers   Patni,

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How to delete duplicate records if we have huge volume of records in a table ? (rowid is not the correct approach)

6 Answers   Puma,

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what is incremental data aggregation?

3 Answers   IBM,

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what is $$$$?

0 Answers   TCS,

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i have to extract data from a flat file.the flat file has 10 records.i have to extract the 1st and 5th record every time.how is it done.

10 Answers   Emirates, IBM,

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What is the exact difference b/w IN and EXIST in Oracle..?

4 Answers   Wipro,

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source table have single column single record having with single space. load that source record into trg . trgt having two columns and the SOURCE TABLE LIKE COL1 BHANU PRASAD TRGT TABLE COL1 COL2 IN THAT LOAD THE RECORD IN THE trgt table LIKE COL1 COL2 BHANU PRASAD HOW ? TELL ME PLZ

2 Answers   Wipro,

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