RetroGen – Entity Relationship Diagram

I have prepared a draft entity relationship diagram, not perfect with all the details required, a work in progress as an initial diagram to show some of the relationship between some of the more critical data elements. ****************************************************************** * โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” * * โ”‚ Individual โ”‚ โ”‚ Ind. Event โ”‚ โ”‚ Citation โ”‚ * …

ANSI74 to ANSI85 Differences

In writing the retro-style genealogy app, I was reviewing an older text-book from Internet Archives, "Structured COBOL programming : for the year 2000 and beyond", by Stern and Stern (9th edition), introduced a new approach to reading and processing a sequential file in ANS85. The usual approach in ANS74 was as follows; MAIN. OPEN INPUT …