This illustration shows the following syntax on a horizontal line:
  - EXEC SQL DEC
   - at DB_NAME (on a loop)
     - FOR host_integer (on a loop)
   - host_variable (on a loop)
   - DELETE table
   - FROM (on a loop)
   - schema (on a loop)
   - view (on a loop)
   - @dblink (on a loop)
   - alias (ona loop)
   - WHERE condition (on a loop)
  - CURRENT OF cursor (on a loop)