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