Hi Monika,
JDBC Look up is available in PI 7.31 Java. please check teh below url which will have the requested information.
http://help.sap.com/saphelp_nw73ehp1/helpdata/en/48/ce2a8e3a8e5430e10000000a42189b/frameset.htm
If you reference an operation mapping with a parameterized mapping program in an interface determination, the parameters of the mapping program are displayed in the interface determination (under Parameters). You can transfer values to the mapping program using the input fields in the Value column. The input help is determined by which category the parameter is from. If the parameters are from the Simple Type category, the expression editor for constants is called. If the parameters are from the Adapter category, the input help for communication channels is called.
If you have saved constants for certain parameters of the message mapping signature in an operation mapping, these parameters are not displayed in the interface determination that references the operation mapping. This is because in this case the value of the parameter results from the constants.
