what is rank and dense rank in informatica with any examples and give sql query for this both ranks

4 Answers  

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how many types of dimensions are available in informatica?

0 Answers  

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If we use only lookup transformation in a mapping ie, SourceQualifier-->Lookup --> Target. , here datas are taking very long time to load in target., so what are steps to improve the performance in that mapping???????

2 Answers  

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Why you use repository connectivity?

3 Answers   Yash Technologies,

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Hi, I want to change date type char value integer value? I tried alter table tab_name modify (newcolumn newdatetype). But The columns have 10 million values(char type) so I want to load now numeric data. How it is possible? Old Values New Value(I want to load numeric data but the old value should be there in the column) Y 1 N 0 ERROR at line 1: ORA-01439: column to be modified must be empty to change datatype Please help on this. Thanks, GM

1 Answers   IBM,

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How to generate sequence numbers?

0 Answers  

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What are the types of schemas we have in data warehouse and what are the difference between them?

0 Answers  

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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 .

2 Answers   TCS,

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how to work with mapplet designer in informatica?

7 Answers  

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How we can create indexes after completing the load process?

0 Answers  

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What is incremental aggregation?

0 Answers  

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My flat file source is C_Id 1-nov-2011 8-nov-2011 100 2000 1500 101 2500 2000 I want my Target as C_Id Week_Num Amt 100 45 2000 100 46 1500 101 45 2500 101 46 2000

3 Answers   Wipro,

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