--查询锁

SELECT /*+ rule */ s.username,

decode(l.type,'TM','TABLE LOCK',

'TX','ROW LOCK',

NULL) LOCK_LEVEL,

o.owner,o.object_name,o.object_type,

s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuser

FROM v$session s,v$lock l,dba_objects o

WHERE l.sid = s.sid

AND l.id1 = o.object_id(+)

AND s.username is NOT NULL

--解锁

alter system kill session 'sid,serial'

--创建一个临时表，表结构和T_ZN_PZ_EVALUATE 表一模一样，并把T_ZN_PZ_EVALUATE 表中2012年的记录插入临时表中

create table mytable as select * from T_ZN_PZ_EVALUATE t where 1=1 and t.verson = 2012;

--更改临时表中记录的id和年份

update mytable  t set t.id = '2013'||substr(t.id,5,20),t.verson = 2013

--将临时表中的记录插入T_ZN_PZ_EVALUATE 表中

insert into T_ZN_PZ_EVALUATE select * from mytable