环境:RHEL6.4 + Oracle 11.2.0.4
-- 数据表空间
create tablespace dbs_d_jingyu datafile size 30M autoextend off;
-- 临时表空间
create temporary tablespace temp_jingyu tempfile size 30M autoextend off;
-- 索引表空间(可选)
create tablespace dbs_i_jingyu datafile size 30M autoextend off;
-- 数据表空间
create tablespace dbs_d_jingyu datafile '/oradata1/datafiles/dbs_d_jingyu01.dbf' size 30M autoextend off;
-- 临时表空间
create temporary tablespace temp_jingyu tempfile '/oradata1/tempfiles/temp_jingyu01.tmp' size 30M autoextend off;
-- 索引表空间(可选)
create tablespace dbs_i_jingyu datafile '/oradata1/datafiles/dbs_i_jingyu01.dbf' size 30M autoextend off;
-- 数据表空间
create tablespace dbs_d_jingyu datafile '+DATA' size 30M autoextend off;
-- 临时表空间
create temporary tablespace temp_jingyu tempfile '+DATA' size 30M autoextend off;
-- 索引表空间(可选)
create tablespace dbs_i_jingyu datafile '+DATA' size 30M autoextend off;
-- 假设创建用户 jingyu 密码 jingyu,默认临时表空间 temp_jingyu, 默认数据表空间 dbs_d_jingyu。
CREATE USER jingyu IDENTIFIED BY jingyu
TEMPORARY TABLESPACE temp_jingyu
DEFAULT TABLESPACE dbs_d_jingyu
QUOTA UNLIMITED ON dbs_d_jingyu;
-- 赋予普通业务用户权限
grant resource, connect to jingyu;
-- 赋予DBA用户权限
grant dba to jingyu;
新建业务用户登录,创建T1,T2两张业务表,并插入测试数据。
-- 业务用户登录
conn jingyu/jingyu
-- 删除T1,T2两张表
drop table t1 cascade constraints purge;
drop table t2 cascade constraints purge;
-- 创建T1,T2两张表
create table t1( id number not null, n number, contents varchar2(4000) ) tablespace dbs_d_jingyu;
create table t2( id number not null, t1_id number not null, n number, contents varchar2(4000) ) tablespace dbs_d_jingyu;
-- 初始化向T1,T2表插入随机测试数据
execute dbms_random.seed(0);
set timing on
insert into t1 select rownum, rownum, dbms_random.string('a',50) from dual connect by level <= 100 order by dbms_random.random;
commit;
insert into t2 select rownum, rownum, rownum, dbms_random.string('b',50) from dual connect by level <= 100000 order by dbms_random.random;
commit;
-- 查询T1,T2表数据量
select count(1) from t1;
select count(1) from t2;
-- 创建T1表字段n的索引idx_t1_n
create index idx_t1_n on t1(n) tablespace dbs_i_jingyu;
-- 创建T2表字段id的索引idx_t2_t1id
create index idx_t2_t1id on t2(t1_id) tablespace dbs_i_jingyu;
-- 业务查询SQL 1
select * from t1, t2 where t1.id = t2.t1_id and t1.n = 19;
-- 业务查询SQL 2
select * from t1, t2 where t1.id = t2.t1_id;
-- 删除业务用户jingyu
drop user jingyu cascade;
-- 删除数据表空间及其文件
drop tablespace dbs_d_jingyu including contents and datafiles;
-- 删除索引表空间及其文件
drop tablespace dbs_i_jingyu including contents and datafiles;
-- 删除临时表空间及其文件
drop tablespace temp_jingyu including contents and datafiles;