Oracle使用记录
1、连接数据库的方式
sqlplus system/system@127.0.0.1:1521/orcl #远程用户名密码连接
sqlplus dbsnmp/oracle; #本地用户名密码连接
sqlplus /nolog #本地无登录连接
sqlplus / as sysdba #本地以超管权限连接
sqlplus "sys/oracle as sysdba"
2、数据库字符集的设置与查看(Oracle数据库自带自动转码功能)
- 若数据库的字符集为gbk,则为了数据能正确的存储与查看,需设置windows客户端的字符编码为936,设置客户端环境变量的字符集为gbk(这相当于告诉数据库,我传给你的数据的字符编码都是gbk,然后数据库会检查自己的字符集是否是gbk,若是,则原封不动地将数据拿过来存储;若不是,则先将gbk的数据转码成与自身字符集一致的数据,然后再以自身字符编码的方式存储传过来的数据。客户端从数据库查询显示的过程也是同理);
#windows
chcp 936
set NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
echo %NLS_LANG%
--gbk
sqlplus system/root@192.168.1.7:1521/orcl
--查看当前数据库的字符集
SELECT * FROM v$nls_parameters where parameter='NLS_CHARACTERSET';
--查看某个字段(如name字段)在数据库中的存储编码
select dump(name,1016) from TEST2.tb_clob15G;
- we8iso8859p1字符集的数据库和US7ASCII字符集的数据库,既可以以gbk的编码方式存储数据,也可以以utf8编码的方式存储数据;可以设置环境变量的字符集与数据库的字符集一样,这样客户端传来utf8编码的数据时,则以utf8方式存储;客户端传来gbk的数据时,则以gbk的方式存储。
- 数据库的字符集是we8iso8859p1,客户端的字符集是gbk或者是utf8时,则可以进行如下设置:
--we8iso8859p1字符集-gbk-windows
chcp 936
set NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
echo %NLS_LANG%
sqlplus integrated/test@192.168.1.7:1521/we8iso8859p1
SELECT * FROM v$nls_parameters where parameter='NLS_CHARACTERSET';
--we8iso8859p1字符集-utf8-Linux
设置ssh会话端字符集为utf8
--Linux端设置环境变量字符集
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
env|grep NLS_LANG
sqlplus integrated/test@192.168.1.7:1521/we8iso8859p1
- 数据库的字符集是US7ASCII,客户端的字符集是gbk或者是utf8时,则可以进行如下设置:
--US7ASCII字符集-gbk-windows
chcp 936
set NLS_LANG=AMERICAN_AMERICA.US7ASCII
echo %NLS_LANG%
sqlplus integrated/test@192.168.1.7:1521/us7ascii
SELECT * FROM v$nls_parameters where parameter='NLS_CHARACTERSET';
--US7ASCII字符集-utf8-Linux
设置ssh会话端字符集为utf8
export NLS_LANG=AMERICAN_AMERICA.US7ASCII
env|grep NLS_LANG
sqlplus integrated/test@192.168.1.7:1521/us7ascii
-
输出Linux utf8字符集(Linux的vim编辑环境中)
set encoding=utf-8
3、Oracle常用操作
-
切换用户(本地连接远程数据库时,切换需先在本地配好监听)配监听需安装本地数据库(貌似),装客户端只能本地远程连接
conn mytest/mytest;
-
查当前数据库的实例
select name from v$database;
-
修改用户密码
--修改当前用户密码无限期 alter profile default limit password_life_time unlimited; --更改用户(integrated)密码 alter user integrated identified by test;
-
查看字段编码
--查clob字段(xmlfield)编码 select dump(to_char(xmlfield),1016) from t_clobxml_gbk where rownum < 2; --查普通字段(c1)的编码 select dump(c1,1016) from t_6;
-
my schema 创建用户、授权、更改用户所属(默认)的表空间
create user mytest identified by mytest; grant dba to mytest; alter user mytest default tablespace USERS; sqlplus mytest/mytest@192.168.32.130:1521/orcl
-
查看某个字段字节数
select sum(length(XMLRECORD)) from FLCN_CUSTOMER; select sum(length(ID))+sum(length(XMLRECORD)) from FLCN_CUSTOMER;
-
字符转数字
select * from MYTEST.FLCN_CUSTOMER order by to_number(RECID) desc;
-
查看所有表空间
select tablespace_name 表空间名 from dba_tablespaces;
-
查看所有表空间的总大小
SELECT TABLESPACE_NAME 表空间名,SUM(BYTES)/1024/1024 表空间大小 from DBA_DATA_FILES GROUP BY TABLESPACE_NAME;
-
查看某个表空间(如表空间:USERS)的使用情况
SELECT a.tablespace_name "表空间名", total "表空间大小", free "表空间剩余大小", (total - free) "表空间使用大小", total / (1024 * 1024 * 1024) "表空间大小(G)", free / (1024 * 1024 * 1024) "表空间剩余大小(G)", (total - free) / (1024 * 1024 * 1024) "表空间使用大小(G)", round((total - free) / total, 4) * 100 "使用率 %" FROM (SELECT tablespace_name, SUM(bytes) free FROM dba_free_space GROUP BY tablespace_name) a, (SELECT tablespace_name, SUM(bytes) total FROM dba_data_files GROUP BY tablespace_name) b WHERE a.tablespace_name = b.tablespace_name and a.tablespace_name = 'USERS';
-
查看所有表空间剩余大小
SELECT TABLESPACE_NAME 表空间名,SUM(BYTES)/1024/1024 "表空间剩余大小(M)" FROM DBA_FREE_SPACE group by TABLESPACE_NAME;
-
查看所有的用户和对应的表空间
select distinct(owner),tablespace_name from dba_segments;
-
查看当前用户下拥有的所有表
select table_name 表名 from user_tables;
-
查看所有用户的表(其中包括系统表)
select table_name from all_tables;
-
查看当前用户下所有的表(不包含系统表)
select * from tab;
-
查看当前用户所拥有的权限角色
select * from user_role_privs;
-
授予执行目录角色
--查看当前用户所拥有的权限 select * from session_privs; --授予执行目录角色,能够执行所有系统包 grant execute_catalog_role to mytest;
-
数据库备份还原
--数据备份还原时 grant dba to mytest; grant connect,resource to mytest identified by mytest; --创建备份还原目录 create directory mydir as 'C:\workspace'; --查看目录 select * from dba_directories; --对用户授予读写目录的权限 grant read,write on directory mydir to mytest; --还原(样例) impdp "'/ as sysdba'" directory=mydir file=customer.0414 REMAP_SCHEMA=XIBINTG_T24:SYSTEM REMAP_TABLESPACE=XIBINTG_T24DISTDATA:USERS,XIBINTG_T24DISTINDEX:users
-
数据库内部参数调整
--查看现在已有的SGA设置 show parameter sga; --更改SGA大小: alter system set sga_max_size=1536M scope=spfile; alter system set sga_target=1024M scope=spfile; --切换到sys用户 conn /as sysdba; --重启使更改生效: --关闭 shutdown immediate --启动 startup --查看当前pga_aggregate_target大小 show parameter pga_aggregate_target; --更改pga_aggregate_target大小 (大的有4G) alter system set pga_aggregate_target=36m;
-
数据库的启动、监听和关闭
sqlplus / as sysdba startup shutdown immediate quit lsnrctl start/stop --查看数据库监听状态 lsnrctl
-
创建数据表空间
create tablespace user_data logging datafile 'H:\oradata\orcl\user_data.dbf' size 50m autoextend on next 50m maxsize 20480m extent management local; (DATAFILE 是关键字,用于指定数据文件的路径。'表空间文件名.dbf' 是数据文件名,大小是50M。 AUTOEXTEND ON 表示数据文件可以自动扩展,即控件用完时,空间可以自动增加。AUTOEXTEND OFF表不自动扩展(此时不需再写后面的语句) NEXT 50M 指定数据文件每次扩展或增量的大小是50M。 MAXSIZE UNLIMITED表示数据文件的大小可以无限扩展。目前是最大可扩展到20480M LOGGING 有NOLOGGING 和LOGGING两个选项: NOLOGGING:创建表空间时,不创建重做日志。若不写,则默认是nologging LOGGING和NOLOGGING正好相反,,就是在创建表空间时生成重做日志。 用NOLOGGING时,好处在于创建时不用生成日志,这样表空间的创建较快,但是没有日志,数据丢失后,不能恢复,但是一般我们在创建表空间时,是没有数据的。按通常的做法是建完表空间,并导入数据后,是要对数据做备份的,所以通常不需要表空间的创建日志,因此,在创建表空间时,选择 NOLOGGING以加快表空间的创建速度。 EXTENT MANAGEMENT LOCAL指定本地表空间管理。)
-
创建临时表空间
create temporary tablespace user_temp tempfile 'H:\oradata\orcl\user_temp.dbf' size 50m autoextend on next 50m maxsize 20480m extent management local;
-
删除表空间及表空间所在的物理文件
DROP TABLESPACE user_data INCLUDING CONTENTS AND DATAFILES;
-
创建用户并指定表空间、临时表空间,并给用户授予权限
create user username identified by password default tablespace user_data temporary tablespace user_temp; --给用户授予权限 grant connect,resource,dba to username;
-
创建、授权角色,并授予角色给用户
--创建角色 create role role1; --授权给角色 grant create any table,create procedure to role1; --授予角色给用户 grant role1 to username;
-
存储过程操作
--创建存储过程 create or replace procedure insert_student ( user_id Number,user_name varchar2,user_pass varchar2 ) as begin insert into student values(user_id,user_name,user_pass); end insert_student; / --执行存储过程 begin insert_student(1,'aaa','bbb'); commit; end; / --删除存储过程 drop procedure insert_student; --创建带参数的存储过程 create table stu(id number,name varchar2(10)); create or replace procedure test_param(u_id number,u_name varchar2) as begin insert into stu values(u_id,u_name); commit; end test_param; / --调用存储过程法一 call test_param(1,'nn'); --调用存储过程法二 begin test_param(1,'nn'); end; / create or replace procedure proc_test1 ( invalue in Integer ) as testvalue varchar2(40); begin select user_name into testvalue from user_info where user_id = invalue; dbms_output.put_line(testvalue); end proc_test1; / --执行 declare parameter Integer := 1; begin proc_test1(parameter); end; / --既有输入,又有输出的存储过程 create or replace procedure proc_test3 ( invalue in Integer,outvalue out varchar2 ) as begin select user_name into outvalue from user_info where user_id = invalue; end proc_test3; / --调用存储过程 declare parameter Integer := 1; parameter1 varchar2(20); begin proc_test3(parameter,parameter1); dbms_output.put_line(parameter1); end; /
-
创建表和索引
DROP TABLE DEMO.T1_index_constraints; CREATE TABLE DEMO.T1_index_constraints ( ID INT NOT NULL, ENAME VARCHAR2(50), ADDR VARCHAR2(200), COM VARCHAR2(200), TEL NUMBER(20), SEX VARCHAR2(200), CONSTRAINT PK_ID PRIMARY KEY(ID), CONSTRAINT CK_TEL CHECK (SEX IN('男','女')) ); CREATE index T1_IDX ON DEMO.T1_index_constraints(TEL) TABLESPACE TBS_SD; CREATE index T1_IDX_nospace ON DEMO.T1_index_constraints(COM);
-
创建、查看视图
--创建视图 CREATE VIEW T_B AS SELECT * FROM CLASS WHERE ID=2; --查看视图 SELECT * FROM T_B;
-
创建序列
create sequense my_seq //创建序列名:my_seq start with 1 //从1开始 increment by 1 //每次增长1 maxvalue 999999 //nomaxvalue(不设置最大值) ---最大值 //有限制的序列,无限制的序列设置时的相关参数:maxvalue,minvalue minvalue 1 //最小值 cycle //nocycle 一直累加,不循环 ;cycle 表示循环 nocache ---缓存 //cache 10 表示一次产生10个号,//但是使用缓存产生号,优点是提高效率,缺点是可能产生跳号//上面表示从1开始,每次增长1,最大值为999999,之后又循环开始
-
创建包头
create or replace package package_demo is function Getage(birthst varchar,birthend varchar) return integer; function Getsalary(VFpsncode varchar) return number; end package_demo;
-
创建包体
create or replace package body package_demo is function Getage(birthst varchar,birthend varchar) return integer --得到年龄函数 is V_birth integer; ToDateEnd Date; Toyear number(4); Tomonth number(4); Fromyear number(4); Frommonth number(4); begin if (birthend='') or (birthend is null) then select sysdate into ToDateEnd from dual; --得到系统时间 end if; Toyear := to_number(to_char(ToDateEnd,'YYYY')); --得到最后年月 Tomonth := to_number(to_char(ToDateEnd,'MM')); Fromyear := to_number(substr(birthst,1,4)); --计算的年月 Frommonth := to_number(substr(birthst,6,2)); if Tomonth-Frommonth>0 then V_birth:=Toyear-fromyear; else V_birth:=Toyear-fromyear-1; end if; return(V_birth); end Getage; function getSalary(VFpsncode varchar) return number --返回工资情况 is V_psnSalary number(8,2); begin Select FpsnSalary into V_psnSalary from T_PsnSalary where Fpsncode = VFpsncode; return(V_psnSalary); end getSalary; end package_demo; select a.*,package_demo.Getage(Fpsnbirth,'')age from T_psnsalary a; --调用包得到年龄功能 select package_demo.getsalary('C001') from dual; --代码得到工资
4、万级表数据构造
--表数据构造
create table MYTEST.FBNK_CUSTOMER$HIS
(
RECID VARCHAR2(255) NOT NULL,
XMLRECORD SYS.XMLTYPE,
CONSTRAINT "PK_FBNK_CUSTOMER$HIS" PRIMARY KEY ("RECID") USING INDEX TABLESPACE "TBS_BIGTABLE" ENABLE
)
tablespace tbs_bigtable
XMLTYPE COLUMN "XMLRECORD" STORE AS BASICFILE CLOB
(TABLESPACE "TBS_BIGTABLE" ENABLE STORAGE IN ROW CHUNK 8192 RETENTION CACHE STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
);
create sequence RECID_seq2
minvalue 1
nomaxvalue
start with 2
increment by 1
nocycle
cache 20;
CREATE OR REPLACE TRIGGER tg_FBNK_CUSTOMER$HIS
BEFORE INSERT ON MYTEST.FBNK_CUSTOMER$HIS FOR EACH ROW WHEN (new.RECID is null)
begin
select RECID_seq2.nextval into:new.RECID from dual;
end;
/
insert into MYTEST.FBNK_CUSTOMER$HIS values(1,'<row id="999999" xml:space="preserve">
<c1>身份证</c1>
<c2>340221198310249859</c2>
<c3>蔡以枫</c3>
<c3 m="2">上官巴巴</c3>
<c4>梁总</c4>
<c5>510723197709052305</c5>
<c7>88120013</c7>
<c23>020-29833651</c23>
<c24>18927501938</c24>
<c26>9650@hotmail.com</c26>
<c27>4</c27>
<c28>CN</c28>
<c29>9</c29>
<c30>CN</c30>
<c34>解决</c34>
<c34 m="2">%……</c34>
<c35>I</c35>
<c35 m="2">O</c35>
<c36></c36>
<c36 m="2"></c36>
<c37 m="2"/>
<c38></c38>
<c38 m="2"></c38>
<c39></c39>
<c39 m="2"></c39>
<c42>198</c42>
</row>');
--以下不需用到触发器,只需序列
declare
begin
for i in 1..16 loop
insert /*+appned*/ into MYTEST.FBNK_CUSTOMER$HIS(RECID,XMLRECORD) select RECID_seq2.nextval,XMLRECORD from MYTEST.FBNK_CUSTOMER$HIS;
commit;
end loop;
end;
/
--以下同时需要触发器和序列
declare
begin
for i in 1..22 loop
insert into DIP.tb_bigclob1U select * from DIP.tb_bigclob1U;
commit;
end loop;
end;
/
insert into MYTEST.FBNK_CUSTOMER$HIS select * from MYTEST.FBNK_CUSTOMER where rownum<=10;
create table MYTEST.FBNK_CUSTOMER$HIS as select * from MYTEST.FBNK_CUSTOMER;
5、分区表
schema:test
1、范围分区
2、列表分区
3、Hash分区(散列分区)
4、复合分区
create tablespace dinya_space01 datafile 'H:\oradata\orcl\dinya01.dbf' SIZE 5M;
create tablespace dinya_space02 datafile 'H:\oradata\orcl\dinya02.dbf' SIZE 5M;
create tablespace dinya_space03 datafile 'H:\oradata\orcl\dinya03.dbf' SIZE 5M;
create tablespace PROB_TS01 datafile 'H:\oradata\orcl\PROB_TS01.dbf' SIZE 1M;
create tablespace PROB_TS02 datafile 'H:\oradata\orcl\PROB_TS02.dbf' SIZE 1M;
select * from user_tablespaces;
- 范围分区
--范围分区
--根据交易记录的序号分区建表:
create table dinya_test
(
transaction_id number primary key,
item_id number(8) not null,
item_description varchar2(300),
transaction_date date not null
)
partition by range (transaction_id)
(
partition part_01 values less than(2) tablespace dinya_space01,-----2条以下的交易在此分区上:part_01
partition part_02 values less than(3) tablespace dinya_space02,-----等于+大于2而小于3的交易在此分区:part_02
partition part_03 values less than(maxvalue) tablespace dinya_space03----大于3的交易在此分区:part_03
)
--根据交易日期分区建表
create table dinya_test1
(
transaction_id number primary key,
item_id number(8) not null,
item_description varchar2(300),
transaction_date date not null
)
partition by range (transaction_date)
(
partition part_01 values less than(to_date('2006-01-01','yyyy-mm-dd')) tablespace dinya_space01,
partition part_02 values less than(to_date('2010-01-01','yyyy-mm-dd')) tablespace dinya_space02,
partition part_03 values less than(maxvalue) tablespace dinya_space03
)
insert into dinya_test values(1,12,'BOOKS',sysdate);
insert into dinya_test values(2,12, 'BOOKS',sysdate+30);
insert into dinya_test values(3,12, 'BOOKS',to_date('2006-05-30','yyyy-mm-dd'));
insert into dinya_test values(4,12, 'BOOKS',to_date('2007-06-23','yyyy-mm-dd'));
insert into dinya_test values(5,12, 'BOOKS',to_date('2011-02-26','yyyy-mm-dd'));
insert into dinya_test values(6,12, 'BOOKS',to_date('2011-04-30','yyyy-mm-dd'));
--查询全表数据
select * from dinya_test;
--
select * from dinya_test partition(part_01);
select * from dinya_test partition(part_02);
select * from dinya_test partition(part_03);
--修改part_01分区的数据
update dinya_test partition(part_01) t set t.item_description='DESK' where t.transaction_id=1;
-- 删除part_03分区的数据
delete from dinya_test partition(part_03) t where t.transaction_id=4;
--局部本地分区索引的创建:
create index dinya_idx_t on dinya_test(item_id)
local
(
partition idx_1 tablespace dinya_space01,---分区名为:idx_1
partition idx_2 tablespace dinya_space02, ---分区名为:idx_2
partition idx_3 tablespace dinya_space03---分区名为:idx_3
);
select *from ALL_TAB_PARTITIONS where table_name ='DINYA_TEST';
select *From dba_ind_partitions where partition_name='IDX_1';
--全局分区索引的创建:全局索引建立时global 子句允许指定索引的范围值,这个范围值为索引字段的范围值:
create index dinya_idx_t_global on dinya_test1(item_id)
global partition by range(item_id)
(
partition idx_1 values less than (1000) tablespace dinya_space01,
partition idx_2 values less than (10000) tablespace dinya_space02,
partition idx_3 values less than (maxvalue) tablespace dinya_space03
);
- Hash分区(散列分区)
--Hash分区(散列分区)
create table dinya_hash_test
(
transaction_id number primary key,
item_id number(8) not null,
item_description varchar2(300),
transaction_date date
)
partition by hash(transaction_id)
(
partition part_01 tablespace dinya_space01,
partition part_02 tablespace dinya_space02,
partition part_03 tablespace dinya_space03
);
- 列表分区
--列表分区
CREATE TABLE PROBLEM_TICKETS
(
PROBLEM_ID NUMBER(7) NOT NULL PRIMARY KEY,
DESCRIPTION VARCHAR2(2000),
CUSTOMER_ID NUMBER(7) NOT NULL,
DATE_ENTERED DATE NOT NULL,
STATUS VARCHAR2(20)
)
PARTITION BY LIST (STATUS)
(
PARTITION PROB_ACTIVE VALUES ('ACTIVE') TABLESPACE PROB_TS01,
PARTITION PROB_INACTIVE VALUES ('INACTIVE') TABLESPACE PROB_TS02
)
insert into PROBLEM_TICKETS values(1,'BOOKS',1,sysdate,'ACTIVE');
insert into PROBLEM_TICKETS values(2,'son',2,sysdate+30,'INACTIVE');
insert into PROBLEM_TICKETS values(3,'son',3,to_date('2006-05-30','yyyy-mm-dd'),'INACTIVE');
insert into PROBLEM_TICKETS values(4,'BOOKS',4,to_date('2007-06-23','yyyy-mm-dd'),'INACTIVE');
insert into PROBLEM_TICKETS values(5,'old',5,to_date('2011-02-26','yyyy-mm-dd'),'ACTIVE');
insert into PROBLEM_TICKETS values(6,'test',6,to_date('2011-04-30','yyyy-mm-dd'),'INACTIVE');
select * from PROBLEM_TICKETS;
- 复合分区
--复合分区: 范围分区和hash分区
--复合分区是先使用范围分区,然后在每个分区内再使用散列分区的一种分区方法
create tablespace dinya_space07 datafile 'H:\oradata\orcl\dinya07.dbf' SIZE 1M;
create tablespace dinya_space08 datafile 'H:\oradata\orcl\dinya08.dbf' SIZE 1M;
create tablespace dinya_space09 datafile 'H:\oradata\orcl\dinya09.dbf' SIZE 1M;
create table dinya_test_comp
(
transaction_id number primary key,
item_id number(8) not null,
item_description varchar2(300),
transaction_date date
)
partition by range(transaction_date)subpartition by hash(transaction_id)
subpartitions 3 store in (dinya_space07,dinya_space08,dinya_space09)
(
partition part_07 values less than(to_date('2006-01-01','yyyy-mm-dd')),
partition part_08 values less than(to_date('2010-01-01','yyyy-mm-dd')),
partition part_09 values less than(maxvalue)
);
select *From user_tab_partitions where table_name=upper('dinya_test_comp')
selec *From user_tab_subpartitions where table_name=upper('dinya_test_comp')
insert into dinya_test_comp values(1,12,'BOOKS',sysdate);
insert into dinya_test_comp values(2,12, 'BOOKS',sysdate+30);
insert into dinya_test_comp values(3,12, 'BOOKS',to_date('2006-05-30','yyyy-mm-dd'));
insert into dinya_test_comp values(7,12, 'BOOKS',to_date('2005-05-30','yyyy-mm-dd'));
insert into dinya_test_comp values(4,12, 'BOOKS',to_date('2007-06-23','yyyy-mm-dd'));
insert into dinya_test_comp values(5,12, 'BOOKS',to_date('2011-02-26','yyyy-mm-dd'));
insert into dinya_test_comp values(6,12, 'BOOKS',to_date('2011-04-30','yyyy-mm-dd'));
--复合范围列表分区
create tablespace dinya_space04 datafile 'H:\oradata\orcl\dinya04.dbf' SIZE 1M;
create tablespace dinya_space05 datafile 'H:\oradata\orcl\dinya05.dbf' SIZE 1M;
create tablespace dinya_space06 datafile 'H:\oradata\orcl\dinya06.dbf' SIZE 1M;
Create table sales
(
Product_id varchar2(5),
Sales_date date,
Sales_cost number(10),
Status varchar2(20)
)
Partition by range(Sales_cost)
Subpartition by list(status)
(
Partition p1 values less than (1) tablespace dinya_space01
(
Subpartition p1sub1 values('ACTIVE') tablespace dinya_space03,
Subpartition p1sub2 values('INACTIVE') tablespace dinya_space04
),
Partition p2 values less than (3) tablespace dinya_space02
(
Subpartition p1sub3 values('ACTIVE') tablespace dinya_space05,
Subpartition p1sub4 values('INACTIVE') tablespace dinya_space06
)
)
insert into sales values(1,sysdate,0.1,'ACTIVE');
insert into sales values(2,sysdate+30,1,'INACTIVE');
insert into sales values(3,to_date('2006-05-30','yyyy-mm-dd'),2,'INACTIVE');
select * From sales;
Select * from sales partition(p2);
SELECT * FROM SALES SUBPARTITION(p1sub4);
SELECT * FROM SALES SUBPARTITION(p1sub3);
select * From dba_tab_subpartitions where table_name='SALES';