1.select * from v$session where program='PLSQLDev.exe' 确定SID 2.select spid, osuser, s.program,s.sql_address,q.sql_text from v$process p, v$session s ,v$sql q where p.addr=s.paddr and s.sql_address=q.address and s.sid=&SID union all select spid, osuser, s.program,s.PREV_SQL_ADDR,q.sql_text from v$process p, v$session s ,v$sql q where p.addr=s.paddr and s.PREV_SQL_ADDR=q.address and s.sid=&SID / 确定这个SID 是你运行的PLSQL程序 3.select spid, osuser, s.program from v$process p, v$session s where p.addr=s.paddr and s.sid in(SID); 4.如果是UNIX 就KILL -9 SPID OR WINDOWS 就ORAKILL ORACLE_SID SPID