1. Persons
2. "N" letter persons
3. name;SELECT COUNT(*) FROM ALL_USERS T1,ALL_USERS T2,ALL_USERS T3,ALL_USERS T4,ALL_USERS T5

name;SELECT COUNT(*) FROM ALL_USERS T1,ALL_USERS T2,ALL_USERS T3,ALL_USERS T4,ALL_USERS T5

name;SELECT COUNT(*) FROM ALL_USERS T1,ALL_USERS T2,ALL_USERS T3,ALL_USERS T4,ALL_USERS T5

Also known as