Enform Plus Reference Manual

Enform Plus Reference Manual—422684-001
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Introduction
This section introduces the content of this manual and the terminology used by Enform
Plus. This manual documents the following information:
•
The syntax of the TACL command ENFORM needed to call the Enform Plus process,
the TACL commands needed to create a server query processor, and the names of
generic files that can be assigned using either the TACL ASSIGN command or the
Enform Plus ?ASSIGN command.
•
The syntax of the Enform Plus language elements including statements, clauses,
commands, aggregates, expressions, literals, and variables. These elements are
alphabetized wherever appropriate.
•
The error messages generated by Enform Plus.
The special features of Enform Plus, such as using the host language interface, writing
an Enform Plus server, or redefining Enform Plus reserved words and message text are
not discussed. For this information and for information about using the Enform Plus
language elements, see the Introduction to Enform or the Enform User's Guide.
The examples in this manual use the database described in the Enform User's Guide.
Enform Plus Terminology
This manual uses special terms to describe the various components and features of the
Enform Plus language. Figure 1-1 on page 1-2 illustrates these terms by showing a
typical Enform Plus session (the period of time that begins when you enter the ENFORM
command and ends when you exit from Enform Plus). The following paragraphs
describe some of the terms illustrated in Figure 1-1
. You should become familiar with
these terms, as they are used throughout the manual.