[oracle@enmo1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Sat May 13 12:00:23 2017
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, OLAP, Data Mining and Real Application Testing options
SQL> set serveroutput on;
SQL> alter user scott identified by tiger account unlock;
User altered.
SQL> conn scott /tiger
Connected.
SQL> desc dept
Name Null? Type
----------------------------------------- -------- ----------------------------
DEPTNO NOT NULL NUMBER(2)
DNAME VARCHAR2(14)
LOC VARCHAR2(13)
SQL> create table dept_1 as select * from dept;
Table created.
SQL> declare
2 v_deptno dept_1.deptno%TYPE :=30;
3 begin
4 delete from dept_1 where deptno = v_deptno;
5 end;
6 /
PL/SQL procedure successfully completed.
SQL> select * from dept_1 where deptno=30;
no rows selected
此时再开启一个会话查询
SQL> select * from dept_1 where deptno=30；
DEPTNO DNAME LOC
---------- -------------- -------------
30 SALES CHICAGO
在原会话中commit
SQL> commit;
Commit complete.
再查询
SQL> select * from dept_1 where deptno=30;
no rows selected