2015-May-22

In Oracle database, dropping a table don't free up the space directly. You'll need to disabled the DB recycle bin. So whenever we drop something, it's purged automatically to free the space.

http://docs.oracle.com/cd/E18283_01/server.112/e17120/tables011.htm

And another minor suggestion about searching Oracle doc on Google. Add 112 to show 11g release 2 doc on top.

Today I learnt的更多相关文章

  1. [note]What I’ve learnt from working on startups

    What I've learnt from working on startups 从失败里学到了什么,六次创业失败. 企业家不是与生俱来的,也是靠学来的. 想的太多,做的太少.

  2. 学习笔记之三十年软件开发之路 - Things I Learnt The Hard Way (in 30 Years of Software Development)

    三十年软件开发之路 https://mp.weixin.qq.com/s/EgN-9bIHonRid1DM0csQDw https://blog.juliobiason.net/thoughts/th ...

  3. what have we learnt in day five

    what is file? virtual unit offered by operation system steps to open file 1.find the file_path(file_ ...

  4. Lesson 17 Always young

    Text My aunt Jennifer is an actress. She must be at least thirty-five years old. In spit of this, sh ...

  5. Lesson 14 Do you speak English?

    Text I had an amusing experience last year. After I had left a small village in the south of France. ...

  6. How do servlets work-Instantiation, sessions, shared variables and multithreading[reproduced]

    When the servletcontainer (like Apache Tomcat) starts up, it will deploy and load all webapplication ...

  7. Usual tiny skills & solutions

    Ubuntu and Win10 - double OS 2016-02-21 Yesterday I helped my friend install Ubuntu (14.04 LTS) on h ...

  8. Sensitive directory/file Integrity Monitoring and Checking

    catalogue . OSSEC . HashSentry: Host-Based IDS in Python . Afick . 检测流程 1. OSSEC OSSEC is an Open So ...

  9. HDU4787 GRE Words Revenge（AC自动机 分块 合并）

    题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=4787 Description Now Coach Pang is preparing for ...

随机推荐

  1. HTML 30分钟入门教程

    作者:deerchao 转载请注明来源 本文目标 30分钟内让你明白HTML是什么,并对它有一些基本的了解.一旦入门后,你可以从网上找到更多更详细的资料来继续学习. 什么是HTML HTML是英文Hy ...

  2. TeamWork-天气美食

    一.  团队情况      Hello,欢迎来到我们"Code Man"队的第一次团队作业页面,"代码侠"很明显我们是一个编程队伍,由大三在读的6位同班同学组成 ...

  3. CTE

    Why use CTE: Improve code readability Breaking up complex queries into smaller blocks Execution Scop ...

  4. REVERSE-Daily(4)-Elfcrackme2

    非常坑爹的一道题目,看似非常简单,实则有套路 链接: http://pan.baidu.com/s/1i4XLCd3 密码:9zho 为了练手 我会写出三种解法,包括 结合ascii码值范围的爆破,动 ...

  5. Java面向对象基础知识汇总

    OOP:Orient Object Programe AOP:Aspect Orient Programe 封装:Encapsulation 继承:Inheritance 多态:Polymorphmi ...

  6. 关于阿里 阿里巴巴共享业务事业部UED团队 出品的sui基于zepto的开源UI框架的使用心得

    1.项目官网地址:http://m.sui.taobao.org/ 2.项目使用可以参考开始使用和示例 3.项目是放在 Github 上的 https://github.com/sdc-alibaba ...

  7. HDU 5441 离线处理 + 并查集

    题意:给n个节点m条带权值边的无向图.然后q个问题,每次询问点对的数目,点对需要满足的条件是:1)连通:2)其路径的最大权值不能超过询问值. 分析:如果没次询问一次,dfs一次,很可能超时,因此可以用 ...

  8. codeforces716E （点分治）

    Problem Digit Tree 题目大意 给一棵树,有边权1~9. 询问有多少个点对(i,j),将i--j路径上的数字依次连接后所形成新数字可以被k整除.gcd(K,10)=1 解题分析 点分治 ...

  9. PHP生成二维码图片

    下载二维码文件:http://files.cnblogs.com/isboy/qr_code.zip 需要加入的HTML:<img id="js_pc_qr_code_img" ...

  10. Unity3d游戏场景优化杂谈（3）

    LOD(Level-of-detail)是最常用的游戏优化技术 .如果你的程序可以定制开发应用LOD的模块,当然 是很美好的事情.不过如果没有也没关系,大家可以使用UniLOD这个第三方的LOD插件. ...