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