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This documentation describes how to use the CA-IDMS® Read Only Data Adapter in the MVS™ and VM/CMS operating environments. It is intended for FOCUS® users who need to retrieve information from CA-IDMS®/DB data sources. It is available in the following formats: printed manual and Adobe® Acrobat®. References to MVS apply to all supported releases of MVS, OS/390®, and z/OS™. References to VM, VM/CMS, or CMS apply to all supported releases of VM/CMS and z/VM™.
Chapter/Appendix |
Contents |
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1 |
Introduces the data adapter, its operating environments, and its core requirements. |
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2 |
Describes how to access the data adapter. |
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3 |
Discusses IDMS data source structures and how they are represented as FOCUS structures. |
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4 |
Describes the elements in a Master File that describes network record-types and Logical Record Facility (LRF)-based records. |
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5 |
Describes the elements in an Access File for network record-types and LRF-based records. |
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6 |
Describes how to use the AUTOIDMS facility to automatically create Master and Access files. |
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7 |
Describes advanced reporting topics, such as the retrieval sequence, retrieving short paths, file inversion, and the JOIN command. |
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8 |
Describes internal calls that the data adapter generates to retrieve records. |
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A |
Describes how to generate error messages online, how to access errors files. Lists common errors and the associated IDMS response codes. |
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B |
Contains sample schemas, subschemas, Master Files, and Access Files. |
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C |
Describes how to activate and deactivate data adapter traces. |
The following table describes the documentation conventions that are used in this manual.
Convention |
Description |
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THIS TYPEFACE or this typeface |
Denotes syntax that you must enter exactly as shown. |
this typeface
|
Represents a placeholder (or variable) in syntax for a value that you or the system must supply. |
underscore
|
Indicates a default setting. |
this typeface |
Represents a placeholder (or variable), a cross-reference, or an important term. It may also indicate a button, menu item, or dialog box option that you can click or select. |
Key + Key |
Indicates keys that you must press simultaneously. |
{ } |
Indicates two or three choices. Type one of them, not the braces. |
[ ] |
Indicates a group of optional parameters. None are required, but you may select one of them. Type only the parameter in the brackets, not the brackets. |
| |
Separates mutually exclusive choices in syntax. Type one of them, not the symbol. |
... |
Indicates that you can enter a parameter multiple times. Type only the parameter, not the ellipsis (...). |
. . . |
Indicates that there are (or could be) intervening or additional commands. |
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