How are parameters defined in informatica?
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parameters are defined in a mapping parameter/variables wizard.we can pass the values to the parameter outside the mapping without disturbing the design of mapping,but parameters are constant,until and unless user changes
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Answer / jagan
Value of mapping parameter remain constant for a session run. Server reads its value on every run from parameter file. its value can not be changed at the time of session execution. When ever next time session runs, it reads the parameter value again from parameter file.
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Answer / upendra
mapping parametrs are constant, if we define the mapping parameters and variable to mapping tab on menu bar, it used to every time we can run session edit the parameter file, we cant disturb mapping in design
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