SQL> drop user EFMIS_87_LK cascade;
drop user EFMIS_87_LK cascade
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
SQL*Plus: Release 11.2.0.4.0 Production on Wed Nov 30 17:03:42 2016
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> drop user EFMIS_87_LK cascade;
drop user EFMIS_87_LK cascade
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
SQL> exit
重新执行drop user操作即可。