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