In a relational database system, facility is provided for a navigator controlling a procedure executor and a panel executor. Procedures are specified by a procedural language which includes current panel operations being permitted as a panel commands in the procedural language. The panel may call these...http://www.google.es/patents/US5305434?utm_source=gb-gplus-sharePatente US5305434 - System and method for executing panel actions from procedures
System and method for executing panel actions from procedures