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Mainframe IMS/ESA DB extract
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IMSDBUV.CBL
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Can be used on your mainframe to extract an IMS/ESA database into a variable length sequential file for downloading and subsequent loading by the IMSDBU utility. IMSDBUV creates a formatted file specifically for use by IMSDBU on the PC. It can optionally compress the segment data to reduce disk space and transfer time.
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| Mainframe IMS DB extract JCL
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IMSDBUV.JCL
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Sample JCL for use with the IMSDBUV.
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| Mainframe IMS DB extract compression
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IMSDBUC.CBL
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Compression program for IMSDBUV.
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| IMSDBU Load and Unload exits
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DBUPARMS.CPY
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IMSDBU provides two exits during Load, Add and Unload processing. One allows for selecting and changing segments. The other provides for compression/decompression of the input and output sequential files.
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Dynamic DB attach interface
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The Dynamic DB Attach interface is a flexible way to 'connect' to IMS Option for issuing database calls.
DDBA.TXT describes the detailed specifications for this API.
DDBA.CBL is a sample program to demonstrate its use. An
MFIMSCOB.DLL is provided with the IMS Option installation to allow other language programs to call the dynamic attach interface. See the
MFIMSCOB.TXT file for details.
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Gen file access
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CALLGIO demonstrates using the IMS86GIO call interface to retrieve and update the Trancode, Printer, DBD, PSB and MFS Gen, DB Catalog and System Configuration. The IMS86GIO.TXT file provides a complete description of the parameters and use of these APIs.
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| User entry point management
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IMS86ENT.CBL
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Option initialization and termination and invocation of IMS applications.
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Utility call interface
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- IMS86GIO.TXT
- CALLUTIL.CBL
- CALLGIO2.CBL
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CALLUTIL demonstrates the use of the callable interface for the utilities. CALLGIO2 combines IMS86GIO with other features to reorganize the Gen files from a command line and other sample uses.
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IMSDBU call interface
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DBUDEMO.CBL
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Demonstrates the use of the direct call interface to IMSDBU for advanced DB administration.
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MFSGEN preprocessor exit
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MFSPREPR.CBL
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Allows programmed modification of MFS source input to the MFSGEN utility.
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COBOL DB sparse routine
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SPARSRTN.CBL
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A COBOL example for implementing Database Secondary Index sparse routines in COBOL.
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| Field exit routine
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DFSME000.cbl
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A COBOL implementation of the DFSME000 Assembler MFS field edit exit routine provided with the IMS/ESA product.
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| Segment exit routine
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DFSME127.cbl
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A COBOL implementation of the DFSME127 Assembler MFS segment edit exit routine provided with the IMS/ESA product.
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