10일 20일 30일 1 PG_SLEEP20123 2 sleep20123 3 waitfor123 4 1 5 dbms_pipe.receive_messagea20 7 6 or 7 WAITFOR 2 8 1123 2 9 dbms_pipe.receive_me 4 10 dbms_pipe.receive_me123 1 11 dbms_pipe.receive_messagea20123 3 12 OR123 1 13 PG_SLEEP20 7 14 SLEEP20 7 1 pg_sleep20123 2 OR 2 3 SLEEP20123 4 waitfor123 5 1 6 WAITFOR 4 7 dbms_pipe.receive_me 1 8 dbms_pipe.receive_messagea20 6 9 PG_SLEEP20 2 10 SLEEP20 2 11 1123 8 12 dbms_pipe.receive_me123 1 13 OR123 6 14 dbms_pipe.receive_messagea20123 2 1 PG_SLEEP20123 2 OR 3 3 WAITFOR123 2 4 SLEEP20123 1 5 1 2 6 dbms_pipe.receive_me 5 7 PG_SLEEP20 3 8 WAITFOR 2 9 1123 7 10 OR123 2 11 SLEEP20 2 12 dbms_pipe.receive_messagea20 2 13 dbms_pipe.receive_messagea20123 14 dbms_pipe.receive_me123 2 11위 - 20위
