Ingres 12.0 | Writing 4GL Statements

Forms-Based Application Development Tools User Guide > Part 5: 4GL > Writing 4GL Statements

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Writing 4GL Statements

Basic Statement Types

Using Initialize and Declare Statements

Forms-Control Statements

Database Access Statements

Flow-Control Statements

Call Statements

Accessing Files from 4GL

Inquiring About and Setting Applications Status

Multiple Session Connections

Built-In Frames and Procedures

How Database Events Are Handled

Putting It All Together: 4GL Specification

This chapter introduces basic techniques for writing simple 4GL statements for your applications. Sample 4GL statements are presented as an elementary roadmap. The chapter concludes with a complete example of a frame specification.

The techniques and information introduced here build on the discussion of forms, fields, and data types presented in Using 4GL.

For additional suggestions about creating applications, see Sample 4GL Application, which describes a sample application in detail. In addition, see the ABF part of this guide.

For the full syntax of each 4GL statement, see 4GL Statement Glossary.

Last modified date: 08/28/2024