数据库常用操作

create tablespace deng datafile 'd:\chm\deng\deng.dbf' size 20m
autoextend on next 20m maxsize 1024m;

drop user deng cascade;

create user deng identified by deng;

grant connect,resource,dba to deng;

create public database link 连接名称 connect to 连接用户名 identified by 连接密码
using 'ip地址:端口号/orcl';

select * from 表名@连接名称;

create table accept_flow as
select * from accept_flow@case_source;

create table accept_flow as
select * from accept_flow@case_source where 1=2;

insert into accept_flow
select * from accept_flow@case_source;

表结构不同

insert into accept_flow(column1,column2)
select column1,column2 from accept_flow@case_source;

select * from user_jobs；