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,'
身份证
340221198310249859
蔡以枫
上官巴巴
梁总
510723197709052305
88120013
020-29833651
18927501938
9650@hotmail.com
4
CN
9
CN
解决
%……
I
O







198
');

--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';

posted @ 2019-12-29 15:25  军子~  阅读(182)  评论(0)    收藏  举报