Extracting data from a DEDB
This section provides information on the capabilities, benefits, and use of the offline DEDB data extract function that is provided by Fast Path Analyzer/EP. This function lets you extract full or partial segment data from DEDBs while they are offline to IMS.
This section discusses how to specify the appropriate command syntax for all available extract functions. It also looks at the extract process from the user perspective as a series of chronological steps and explains the various results that can be obtained, depending on how you define the process in the job control language.
This section contains the following topics:
- Data extract function overview
- Data extract function inputs and outputs
- DBRC considerations for Extracting data from a DEDB
- EXTRACT command keywords and subcommands
- Process overview
- Selecting the extract file format
- Selecting the Database and Areas for Extracting data from a DEDB
- Allocating the input area data set
- Allocating the extract output data set
- Selecting database segments for input and output
- Controlling segment expansion for Extracting data from a DEDB
- Controlling content of segment records
- Controlling content of segment record prefixes and suffixes
- Controlling header and trailer records
- Sorting the extract file
- Enhancing performance by input caching
- Sample EXTRACT command scenarios
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