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Importing from an ODBC Data Source |
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ndlm is an executable program. Therefore one or more ndlm invocations can be included in a shell script to perform a sequence of unattended import or export operations. The steps required to perform batch ndlm imports and exports are summarized as follows:
- Create the import/export specification files. You may want to include processing flags in the specification files in order to import segments of an input file successively.
- Create a shell script containing a separate ndlm invocation to process each specification file created in step 1. Each ndlm import invocation should include the -b flag to suppress interactive prompts. You may choose to specify invocation flags in successive invocations that provide for progressive loading of segments of the same input file.
- Execute the batch file from the operating system command prompt, or use the appropriate operating system command to schedule execution of the shell script.