『ORACLE』 PLSQL删除数据示例（11g）

[oracle@enmo1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sat May 13 12:00:23 2017

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