10일 20일 30일 1 1 2 2482 8 3 dbms_pipe.receive_me 1 4 OrQdtzcUGSzOlW 1 5 OrtMlyofMdFQpG 1 6 PG_SLEEP20 1 7 SLEEP20 1 8 WAITFOR 1 9 9375 2 10 OR 7 11 Or. 7 12 dbms_pipe.receive_messagea20 1 1 2 dbms_pipe.receive_me 3 OrQdtzcUGSzOlW 5 4 OrtMlyofMdFQpG 6 5 PG_SLEEP20 1 6 SLEEP20 1 7 WAITFOR 1 8 2482 1 9 OR 6 10 Or. 1 11 9375 1 12 dbms_pipe.receive_messagea20 3 1 1 2 dbms_pipe.receive_me 3 PG_SLEEP20 1 4 SLEEP20 1 5 WAITFOR 6 2482 2 7 OR 1 8 OrQdtzcUGSzOlW 3 9 OrtMlyofMdFQpG 1 10 Or. 1 11 9375 1 12 dbms_pipe.receive_messagea20 5 11위 - 20위