1. A method of generating procedural language code for extracting data from an operational system, the method comprising: accepting a declarative specification; and generating procedural language code from the declarative specification to execute a data extraction, transformation and loading process defined by the declarative specification.
1. A method of generating procedural language code for extracting data from an operational system, the method comprising: accepting a declarative specification; and generating procedural language code from the declarative specification to execute a data extraction, transformation and loading process defined by the declarative specification. 8. The method of claim 1 , wherein the generating procedural language code forms part of generating ABAP code with parameter expressions to be evaluated at run time.