Is there an HSQLDB equivalent for the MYSQL SHOW COLUMNS from TABLE command?
HSQLDB does not have separate commands for showing tables, columns or other database objects.
You use SELECT * FROM INFORMATION_SCHEMA.COLUMNS
and various other tables in the INFORMATION_SCHEMA for such purposes.
http://hsqldb.org/doc/2.0/guide/databaseobjects-chapt.html#dbc_information_schema