zoukankan      html  css  js  c++  java
  • oracle 创建表

    --创建表

    create
    table browser_track( btId number not null , opend_id varchar2(50) not null, url_address varchar2(100) not null, params varchar2(50) null, stay_time number default 0 not null , look_time number default 0 not null , behavior_name varchar2(10) not null, behavior_id number not null, pbehavior_name varchar2(10) not null, pbehavior_id number not null, create_time timestamp not null, primary key (btId) ); --表注释 comment on table browser_track is '用户行为跟踪表'; --字段注释 comment on column browser_track.btId is '主键'; comment on column browser_track.opend_id is 'opend_id'; comment on column browser_track.url_address is 'url地址'; comment on column browser_track.params is '参数列表'; comment on column browser_track.stay_time is '停留时间'; comment on column browser_track.look_time is '浏览时间'; comment on column browser_track.behavior_id is '动作id'; comment on column browser_track.behavior_name is '动作名称'; comment on column browser_track.pbehavior_name is '父动作名称'; comment on column browser_track.pbehavior_id is '父动作id'; comment on column browser_track.create_time is '创建时间'; --索引 create index behavior_id on browser_track(behavior_id); select t.*,t.rowid from browser_track t; drop table browser_track;
  • 相关阅读:
    python 单例模式
    JAVA基础知识总结
    java环境配置
    VScode输出中文乱码的解决方法------测试过可以用
    centos7 单独安装pip
    pyqt5信号与槽
    桌面程序显示到前台
    下载哔哩哔哩视频
    pyqt5 designer安装步骤
    树莓派配置静态wifi地址
  • 原文地址:https://www.cnblogs.com/blogxiao/p/7908502.html
Copyright © 2011-2022 走看看