Notes

On indicators

RPG has, since the beginning of time, supported a set of indicators — one byte characters that can be either *on or *off. These are popular but really shouldn’t be used any more. Being named *IN01 to *IN99 makes for Read more…

By Paul, ago
Notes

Merging data with SQL MERGE

There have been times, many times, when I have needed to update the one or more columns in a table with values retrieved from another. A traditional approach to this is to use an UPDATE with subselects but there is Read more…

By Paul, ago