SELECT T1.name, AVG(trust) FROM useracct AS T1 JOIN trust AS T2 ON T1.u_id = T2.target_u_id GROUP BY T2.target_u_id
Temukan nama setiap pengguna target dan skor kepercayaan rata -rata.
CREATE TABLE trust (target_u_id VARCHAR); CREATE TABLE useracct (name VARCHAR, u_id VARCHAR)