SELECT GRANTEE
FROM USER_AUTHS
WHERE PRIVILEGE = 'SELECT'
UNION
SELECT GRANTEE
FROM DATABASE_AUTHS
WHERE DATABASE_NAME = 'TENNIS'
AND PRIVILEGE = 'SELECT'
UNION
SELECT GRANTEE
FROM TABLE_AUTHS
WHERE TABLE_CREATOR = 'TENNIS'
AND PRIVILEGE = 'SELECT'
AND TABLE_NAME = 'PLAYERS'