Informatica Tranformation Example 1. Informatica Expression (Source to Target) 2. Source Qualifier transformation 3. Expression Transformation 4. Informatica Language example use of IFF syntax. 5. performance optimisation using Oracle DECODE function inside Expression transformation 6. Hexadecimal to Decimal Conversion Logic

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Informatica Power Center Designer (Source to Target Mapping)
Source database  Source Qualifier transformation  Expression Transformation  Target database
Here Expression is transforming peoplesoft Effective date to format required.
Transformation to
Convert Hex Version to Decimal Version
USING Informatica Syntax of if else if logic using Informatica Syntax IFF logic.

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Using Oracle Decode Function inside Informatica Expression transformation
to improve performance by utilizing Oracle database syntax DECODE for if else logic.
Here Decode is used in Hexadecimal to Decimal Conversion
Pseudocode
if ( value=’a’) then substitute factor=10 calculation
else if ( value=’b’) then substitute factor=11 calculation
else if ( value=’c’) then substitute factor=12 calculation
else if ( value=’d’) then substitute factor=13 calculation
else if ( value=’e’) then substitute factor=14 calculation
else if ( value=’f’) then substitute factor=15 calculation

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