OCI数据库连接

oracle培训ppt,介绍比较全面，是oracle初级学习者好帮手-oracle training ppt, a more comprehensive introduction is a good helper oracle primary learners

暂时只能安装12cR1，安装12cR2时会有问题

为了得到最大的性能，一般数据库都有并发机制，不过带来的问题就是数据访问的冲突。为了解决这个问题，大多数数据库用的方法就是数据的锁定.-In order to get the maximum performance, a general mechanism for the database have complicated, but the problem is caused by data access conflicts. To solve this problem, the majority of the database is used to lock data.

Oracle数据库基础是学习oracle必须的阶段，也是重要非常的知识。(Oracle Oracle database must be based on the stage of learning is very important knowledge.)

此代码为利用PL/SQL开发数据库存储过程的典型示例，此为第4部分，希望大家可以通过该代码清楚如何利用SQL语句实现复杂的业务逻辑。-this code for the use of PL/SQL stored procedures development of the database of typical examples of this Part 4 We can hope that the adoption of the code clearly how to use SQL to achieve complex business logic.

这是学习数据库时用到的一些资料，由于本人学习有限，所以资料不是很全，但这些都是入门级必备的！-This is the database used to study some of the information, I am learning is limited, so information is not very full, but these are entry-level essential!

select * from 表1 t where exists (select * form 表2 g where g.id = t.id);

一本介绍oracle的书籍，相信对人很有帮助-an oracle on the books, I think people helpful

This a jar format file which contains oracle examples,may it help you in your study.-This a jar format file which contains ora cle examples, it may help you in your study.

9iSQL新特性试验，主要是Oracle9i所包含的一些增强的新功能-9iSQL new properties, mainly Oracle9i included some new features to enhance the