Rob and Glenn - thank you for your replies. They are very helpful, and I appreciate being in communication with experts about these matters.
On Jan 22, 2018 4:31 PM, "Glenn Knickerbocker" <[email protected]> wrote: > On 1/22/2018 2:27 AM, Rob van der Heij wrote: > > As you conclude from the picture, the default for the SQL stage is > > as if the COMMIT option were specified. This is indicated by putting > > above the main track. I believe for consistency there should also > > have been a straight line under the COMMIT to show the case when you > > don't specify any of these options. > > I'm guessing that a VERY old version might have had the > SELECT/INSERT/EXECUTE statement crammed into that same group and > actually required a choice there, and then this mistake was made when > the two groups were pulled apart. > > Probably NO|COMMIT and NO|INDICATORS should be separated out into their > own groups with defaults indicated, and a note added saying the options > may be specified in any order. > > >> CASE 2: Some diagrams include a character in the repeat arrow e.g. > >> <————,————————+ This is not explained in the HOW TO. > > Note that the railroad track notation is documented in SYNTAX HELPHELP > nowadays, and this is correctly documented there. (PIPE HELP SYNTAX > predates that by a decade or two.) > > ¬R >
