详解SQL与PL/SQL
炼数成金 高清视频 共3.5G
〖课程介绍〗:
本课程前身是《剑破冰山之Oracle开发》。此为第六期课程,在结合前两期教学的体验与学员反馈,并保持前两期SQL部分精讲的基础上,对PL/SQL部分做了大幅调整,总体修订幅度达到30%!本期重新梳理了PL/SQL讲解体系,并将开发中使用最频繁的知识点予以讲解,使学员在完成学习之后,对数据库开发能更加得心应手!
长久以来,数据库开发常常被人忽视,Oracle都处于“重管理,轻开发”的境地,很多人认为有性能问题请DBA去调优一下不就行了?久而久之,大多数人认为Oracle开发就是select 、insert之类的DML语句最多再有点集合操作外加触发器、函数之类的存储过程,但这就好像冰山一样,粗略的一看,只是看到冰山露出水面的尖角而已。而我们知道,冰山在水面下的部分,远比其水面上的部分要巨大得多。
我们所熟悉的ISO-9000告诉我们,质量是生产出来的,不是检测出来的,同样,高质量的SQL应该是开发写出来的,而不应总是通过DBA去调优出来。更何况能优化的SQL实际上是有限的。如果我们能做到预防为主,开发时就写出高质量的SQL,那后续请DBA调优的成本不就可以省去不少了么?如此一来,作为数据库开发者的你,价值自然而然就体现出来了。
不要担心这个职位的前景,目前在一些大公司及跨国企业里,数据库开发已经是一个专职岗位了,而在其他公司里,无论是普通程序员还是DBA,拥有这些开发知识的你将比别人有更多的竞争力。
那如何学好Oracle开发呢?这就像是想要探究水面下的冰山,其中之一的方法就是分而治之,夯实基础后再深入研究。本课程将从基础开始,覆盖Oracle开发中大多数内容并重点讲述其中共性的内容,是为准备进入Oracle开发领域的同学量身定制的一份服务。在本课程学习完毕后,你将掌握用SQL或PL/SQL处理问题的基本能力,为下一步更深入的学习Oracle开发打下良好的基础。同时,如果你开发用的语言主要是如Java、PHP等,学习完本课程不仅能提高你的SQL水平,还将会大大拓宽你的思路,让你在处理问题时又更多一种有效的处理手段。
〖课程目录〗:
本课程整体难度为初中级,部分内容较高级也实用,课程基于Oracle 11.2进行讲解,课程内容如下:
第1课 数据库开发概述
第2课 SQL入门
第3课 最常用的SELECT
第4课 SQL之普通函数篇
第5课 SQL之分析函数篇
第6课 正则表达式
第7课 SQL之统计
第8课 SQL之层次查询(树状查询)
第9课 PL/SQL入门
第10课 函数和过程
第11课 嵌套子程序和包
第12课 触发器
第13课 静态SQL与动态SQL
第14课 记录与集合
第15课 批量处理
第16课 错误处理
第17课 Oracle开发中bug的识别与处理技巧
第18课 精彩案例
〖视频截图〗:
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