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Getting Started

Nine Steps to a Successful Omnidex Installation

OAHELPER

OADECOMP

OACOMP

 

Installation & Setup

Account Verification

Index Design

Environment Catalog

Index Installation

Index Maintenance

Installation Testing

Application Development

Debugging

 

Index InstallationIndex DesignStep 4 - Environment Catalog

This section describes the Omnidex Environment Catalog in detail, including syntax, some special design options to add more functionality to an installation, and variations based on the underlying database. This section also describes the Omnidex utilities OAHELPER, OACOMP, and OADECOMP, which can be used to automatically generate, compile, and decompile an Omnidex Environment Catalog.

The Omnidex Environment Catalog is Omnidex’s view of the structure of a data base and sets default operating values for Omnidex’s run-time characteristics. The Omnidex Environment Catalog is a necessary and central component of using Omnidex.

In an open systems environment, where a variety of operating systems support a variety of data management systems, the environment catalog provides a standard means of describing your data to OmniAccess applications, including DBINSTAL and DATADEX. It is used to coordinate Omnidex with the underlying database file layout by explicitly defining the database's tables and columns to the Omnidex software.

The Environment Catalog source files are created using any system text editor. Alternatively, for Oracle, Sybase, Informix, and TurboImage, the Environment Catalogs can be automatically generated through the Omnidex utility OAHELPER.

The Omnidex utility OACOMP is used to compile the Environment source file into the Environment object file, also called the compiled Environment Catalog file. If the original Environment source file is needed but unavailable, the Omnidex utility OADECOMP will create a separate Environment source file from an existing compiled Environment file.

 

OAHELPER

OAHELPER is used to generate an initial prototype of an Omnidex Environment Catalog Source against a target data base. A text editor is then used to manually manipulate the generated source code to add desired characteristics. OAHELPER works against any supported data base that contains an internal schema such as Oracle, Sybase, Informix, TurboImage or an ODBC accessible data base.

OAHELPER does not work against file structures such as POSIX flat files or VMS RMS files that do not support an internal data schema.

You can also use a text editor to manually create a source file.

OADECOMP can also be used to decompile an existing environment catalog into an editable source file.

 

OACOMP

OACOMP compiles the environment source file into the binary format, the Omnidex Environment Catalog.

 

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