1.查看一个表的建表语句 

select dbms_metadata.get_ddl('TABLE','HT_PARA_SPEC_FIXED') from dual;

2.plsql 查看建表语句时显示不出来

点击刷新再点击查看sql就好了

3.按月创建分区表

create table HT_ACMT_CELL_DETAIL
(
   ID NUMBER(20) not null,
   REMARK VARCHAR2(1000),
   create_time DATE
)
PARTITION BY RANGE (CREATE_TIME) INTERVAL (numtoyminterval(1, 'month'))
(partition part_t01 values less than(to_date('2018-11-01', 'yyyy-mm-dd')));

--创建主键
alter table HT_ACMT_CELL_DETAIL add constraint HT_ACMT_CELL_DETAIL_pk primary key (ID) using INDEX;

4.允许分区表可以依据跨区移动

alter table test_part enable row movement;

-- - alter table test_part disenable row movement;--不允许跨区移动

5.Dblink 创建

-- 如果创建全局 dblink,必须使用 systm 或 sys 用户,在 database 前加 public。  
create /* public */ database link dblink1  
  connect to dbusername identified by dbpassword  
  using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS =(PROTOCOL = TCP)(HOST = 192.168.0.1)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = orcl)))';  
  

 

 

 

 

posted on 2021-03-01 17:03  Apeak  阅读(59)  评论(0)    收藏  举报