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This course shows users how to describe external files to FOCUS.
Objectives:
After completing this course, students will be able to:
- Create a Master File Description for general categories of external files
- Describe the structure of simple sequential files and multiple record type files
- Distinguish between the MFDs for ISAM and VSAM interfaces
- Code FOCUS MFD for the DB2 and SQL/DS interfaces
- Code Access File Description to access SQL tables from FOCUS
Topics:
- Defining External Files
- Fixed Format Files
- Variable Segment Files
- Other DBMS Files
- Optional Interfaces
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