session 1:
scott@TEST>create table p(x int primary key);
Table created.
scott@TEST>create table c(x references p);
Table created.
scott@TEST>insert into p values(1);
1 row created.
scott@TEST>insert into p values(2);
1 row created.
scott@TEST>insert into p values(3);
1 row created.
scott@TEST>commit;
Commit complete.
scott@TEST>insert into c values(2);
1 row created.
scott@TEST>delete from p where x=1;
delete from p where x=1
*
ERROR at line 1:
ORA-00060: deadlock detected while waiting for resource
session 2
scott@TEST>insert into c values(2);
1 row created.
scott@TEST>delete from p where x=3;
此时查看锁情况：
sys@TEST>l
1 select addr,sid,type,id1,id2,lmode,request,block from v$lock where type in('TX','TM')
2*
sys@TEST>/
ADDR SID TY ID1 ID2 LMODE REQUEST BLOCK
-------- ---------- -- ---------- ---------- ---------- ---------- ----------
5B9E4430 12 TX 196609 286 6 0 0
5B9A8978 12 TM 6339 0 3 0 1
5B9A88F4 12 TM 6337 0 2 0 0
5B9E405C 17 TX 458760 483 6 0 0
5B9A8A80 17 TM 6339 0 3 5 0
5B9A89FC 17 TM 6337 0 3 0 0
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/10972173/viewspace-214858/ ，如需转载，请注明出处，否则将追究法律责任。
