10일 20일 30일 1 SLEEP20123 8 2 1123 2 3 dbms_pipe.receive_me 2 4 OR 3 5 OR123123 7 6 SLEEP20 7 7 SLEEP20123123 7 8 1 5 9 1123123 1 10 dbms_pipe.receive_me123 1 11 dbms_pipe.receive_me123123 6 12 dbms_pipe.receive_messagea20123 6 13 dbms_pipe.receive_messagea20123123 8 14 OR123 1 15 PG_SLEEP20 8 16 PG_SLEEP20123 8 17 PG_SLEEP20123123 2 18 WAITFOR 16 19 WAITFOR123 1 20 WAITFOR123123 4 21 dbms_pipe.receive_messagea20 15 1 OR 4 2 SLEEP20123 11 3 1123 5 4 dbms_pipe.receive_me 5 1 4 6 OR123123 7 PG_SLEEP20 4 8 PG_SLEEP20123 4 9 SLEEP20 7 10 SLEEP20123123 11 WAITFOR 5 12 1123123 13 dbms_pipe.receive_me123 4 14 dbms_pipe.receive_messagea20 7 15 OR123 4 16 WAITFOR123123 17 dbms_pipe.receive_me123123 18 dbms_pipe.receive_messagea20123 8 19 PG_SLEEP20123123 20 dbms_pipe.receive_messagea20123123 21 WAITFOR123 7 1 OR 4 2 1 1 3 dbms_pipe.receive_me 1 4 PG_SLEEP20 1 5 SLEEP20 1 6 WAITFOR 7 dbms_pipe.receive_messagea20 8 SLEEP20123 9 1123 10 OR123123 11 PG_SLEEP20123 12 SLEEP20123123 13 1123123 14 dbms_pipe.receive_me123 15 OR123 16 WAITFOR123123 17 dbms_pipe.receive_me123123 18 dbms_pipe.receive_messagea20123 19 PG_SLEEP20123123 20 dbms_pipe.receive_messagea20123123 21 WAITFOR123 11위 - 20위