DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND friend = 10102;
INSERT INTO  #PFX#usersnet (owner, target, friend, skill, trust) VALUES (10101, 10102, 3, 2, 3);
DELETE FROM  #PFX#usersnet WHERE owner = 10101 AND friend = 10107;
INSERT INTO  #PFX#usersnet (owner, target, friend, skill, trust) VALUES (10101, 10107, 3, 3, 4);