Data Definition Language (DDL) Reference Manual (G06.24+)

About This Manual
Data Definition Language (DDL) Reference Manual—426798-002
xiv
Prerequisite Manuals
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Section 2, DDL Language Elements, describes the language elements you can use
in DDL statements and commands, and the rules for entering statements,
commands, and comments associated with statements.
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Section 3, Running the DDL Compiler, explains how to run DDL with input from a
source file and with input from an interactive terminal.
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Section 4, Named Constants, Section 5, Definitions and Records, and Section 6,
Definition Attributes, describe statements you can use to define constants, field
and group definitions, and records.
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Section 7, SPI Tokens, describes statements you can use to define token codes,
token maps, and token types.
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Section 8, Dictionary Manipulation Statements, describes statements you can use
to generate source code and reports for objects in a dictionary, to delete or modify
objects in a dictionary, and to end a DDL session.
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Section 9, DDL Compiler Commands, describes commands that you can use to
control the compilation of statements, the creation of objects in dictionaries, and
the generation of listings, reports, and host-language source code.
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Section 10, Dictionary Maintenance, explains how to maintain a DDL dictionary.
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Appendix A, DDL Messages, lists DDL error and warning messages, with brief
descriptions of the cause, the action DDL takes, and the user recovery procedure
for each message.
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Appendix B, Sample Schemas, provides a sample schema to define a database
and a sample schema to define SPI message tokens.
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Appendix C, DDL Data Translation, shows how DDL data types correspond to
host-language data types.
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Appendix D, Dictionary Database Structure, describes the structure of the DDL
dictionary database.
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Appendix E, Dictionary Reports, explains how to get standard Enform reports on a
DDL dictionary.
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Appendix F, Syntax Summary, contains the syntax of the DDL run command and
the complete syntax of DDL statements, clauses, and commands.
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Appendix G, Pathmaker and DDL, explains how the Pathmaker product interacts
with DDL.
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Appendix H, DDL Alignment Rules, describes alignment rules used by the DDL
compiler when generating C code.
Prerequisite Manuals
Before using this manual, you should be familiar with the information in the following
prerequisite manuals: