What is the difference between warehouse key and surrogate key?

1 Answers   Accenture,

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Three date formats are there . How to change these three into One format without using expression transformation ?

3 Answers   HP,

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what are the different types of transformation available in informatica and what are the mostly used ?

3 Answers   TCS,

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Which gives the more performance when compare to fixed width and delimited file ? and why?

3 Answers   HP,

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What are the basic needs to join two sources in a source qualifier?

4 Answers  

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What is the difference between bitmap and btree index?

2 Answers   CTS, TCS,

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

0 Answers  

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How can the following be achieved in 1 single Informatica Mapping. * If the Header table record has error value(NULL) then those records and the corresponding child records in the SUBHEAD and DETAIL tables should also not be loaded into the target(TARGET1,TARGET 2 or TARGET3). * If the HEADER table record is valid, but the SUBHEAD or DETAIL table record has an error value (NULL) then the no data should be loaded into the target TARGET1,TARGET 2 or TARGET3. * If the HEADER table record is valid and the SUBHEAD or DETAIL table record also has valid records only then the data should be loaded into the target TARGET1,TARGET 2 and TARGET3. =================================================== HEADER COL1 COL2 COL3 COL5 COL6 1 ABC NULL NULL CITY1 2 XYZ 456 TUBE CITY2 3 GTD 564 PIN CITY3 SUBHEAD COL1 COL2 COL3 COL5 COL6 1 1001 VAL3 748 543 1 1002 VAL4 33 22 1 1003 VAL6 23 11 2 2001 AAP1 334 443 2 2002 AAP2 44 22 3 3001 RAD2 NULL 33 3 3002 RAD3 NULL 234 3 3003 RAD4 83 31 DETAIL COL1 COL2 COL3 COL5 COL6 1 D001 TXX2 748 543 1 D002 TXX3 33 22 1 D003 TXX4 23 11 2 D001 PXX2 56 224 2 D002 PXX3 666 332 ======================================================== TARGET1 2 XYZ 456 TUBE CITY2 TARGET2 2 2001 AAP1 334 443 2 2002 AAP2 44 22 TARGET3 2 D001 PXX2 56 224 2 D002 PXX3 666 332

3 Answers   IBM, Mphasis,

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write a query for how to eliminate the duplicate rows without using distinct?

6 Answers   iGate,

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3,if our source containing 1 terabyte data so while loading data into target what are the thing we keep in mind?

7 Answers   TCS,

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explain different types of modeling.

2 Answers  

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How to load the data from people soft hrm to people soft erm using informatica?

0 Answers  

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