Apparently SQL is no longer supported since version 18.
http://archicad-talk.graphisoft.com/viewtopic.php?t=57029
The SQL 'Query' command was still there in the 20 Work Environment, but I see it has been removed completely in 21.
Barry.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10