Programming Guide - Actian

Chapter 2: Language ElementsThis section contains the following topics:OpenROAD Names (see page 19)Variables (see page 25)Data Types (see page 35)Nulls (see page 35)Expressions (see page 36)System-defined Functions (see page 50)Comments (see page 65)When you create an OpenROAD application, you use the OpenROAD 4GLlanguage to write scripts and procedures.Note: For more information about how to write scripts and procedures, seeWriting Scripts and Procedures (see page 67).OpenROAD NamesIn OpenROAD, the following items can be named:• Applications• Classes• Databases• Database tables and columns• External class libraries• Form fields• Frames• Global constants• Objects• Parameters• Procedures• Templates• User events• User classes• VariablesLanguage Elements 19