1 DESCRIBE TABLE variable
2! INCLUDING IMPLICITLY HIDDEN COLUMNS
2?
2 EXCLUDING IMPLICITLY HIDDEN COLUMNS
3 USING
3.1! SQL
3.2 DESCRIPTOR
3.3! LOCAL
3.3?
3.3 GLOBAL
3.4 SQL-descriptor-name
3 INTO
3.1 descriptor-name
3.2? USING
3.2.1 NAMES
3.2.1 SYSTEM NAMES
3.2.1 LABELS
3.2.1 ANY
3.2.1 BOTH
3.2.1 ALL