Enform Plus Reference Manual

Contents
Enform Plus Reference Manual—422684-001
ix
B. Error Messages
COBOL Procedures A-12
FORTRAN Functions
A-12
TAL Functions
A-13
B. Error Messages
Enform Plus Initialization Messages B-2
!!! Error and *** Warning Type Messages
B-4
*** File Error Type Messages
B-22
Enform Plus Trap Messages
B-26
BUILDMK Error Messages
B-26
C. Links and the LINK OPTIONAL Statement Rules
How Enform Plus Defines a LINK C-1
Links Initiated by a LINK Statement
C-1
Links Initiated by a LINK OPTIONAL Statement
C-2
Links Initiated by a WHERE Clause
C-2
Links Due to the Transitive Property of Links
C-5
Review of Rules for the LINK OPTIONAL Statement
C-6
Examples of Invalid Links
C-7
Examples of Valid Links
C-9
Comparison of the LINK Statement, the LINK OPTIONAL Statement, and the WHERE
Clause C-11
Glossary
Index
Figures
Figure 1-1. A Typical Enform Plus Session 1-2
Figure 2-1.
Server Query Processor, Several Compiler/Report Writer Processes 2-7
Figure 3-1.
Enform Plus Language Elements 3-2
Figure 3-2.
Records With Duplicate Field Names 3-7
Figure 3-3.
Query Outline of Target-Aggregate With OVER ALL Syntax 3-15
Figure 3-4.
Query Outline of Target-Aggregate With OVER Syntax 3-16
Figure 3-5.
Query Outline of Qualification Aggregate With OVER Syntax 3-18
Figure 3-6.
Qualification Aggregate With Embedded WHERE Clause 3-19