1. Persons
2. "N" letter persons
3. name;SELECT COUNT(*) FROM RDB$FIELDS AS T1,RDB$TYPES AS T2,RDB$COLLATIONS AS T3,RDB$FUNCTIONS AS T4

name;SELECT COUNT(*) FROM RDB$FIELDS AS T1,RDB$TYPES AS T2,RDB$COLLATIONS AS T3,RDB$FUNCTIONS AS T4

name;SELECT COUNT(*) FROM RDB$FIELDS AS T1,RDB$TYPES AS T2,RDB$COLLATIONS AS T3,RDB$FUNCTIONS AS T4

Also known as