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

0 Answers  

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what is a transforamation?

5 Answers  

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I have a file with data comming as 1,x1,x2,x3 2,a1,a2 3,b1,b2,b3,b4 1,y1,y2,y3 2,c1,c2,c3 3,d1,d2 my out put should be as follows x1,x2,x3,a1,a2,<null>,b1,b2,b3,b4 y1,y2,y3,c1,c2,c3,d1,d2,<null> Please let me know how can we acheive this in informatica Thanks in advance

4 Answers  

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While migrating the data from one environment to another environment how would you manage the connections?

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Describe the impact of several join conditions and join order in a joiner transformation?

0 Answers  

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Explain scd type 3 through mapping.

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1)you have multiple source system where u receive files ,how do you actually load into mapping using transformation,what are the transformation you use? 2)you have files in ftp location ,how do you get it into mapping with you ETL concept?

0 Answers   Bosch,

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How the facts will be loaded? explain

2 Answers   HCL,

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In which circumstances that informatica server creates Reject files?

2 Answers  

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If the source has duplicate records as id and name columns, values: 1 a, 1 b, 1 c, 2 a, 2 b,the target shd be loaded as 1 a+b+c or 1 a||b||c, what transformations shd be used for this?

3 Answers   CTS, Wipro,

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What is Factless fact table ???

12 Answers   Satyam, Tech Mahindra,

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Hello , I am unable to work with SQL transformation at least. Where do i need to give connection for sql transformaton ? At session level there is no property . I have created a SQL Transformation and chosen query mode. But do i need to pass connection information to it ? I don't know where do i need to write a query ? I have written a query in file and that file path i gave in the properties of SQL Transformation. But it is not working. Could any one of you please let know how can i work with SQL Transformation? Advance Thanks.

0 Answers   IBM,

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