搜索资源列表
IBM_DB2_DATABASE_SQL_GUIDE
- IBM公司专门为DB2中的SOL编程所写的官方入门教程，非常实用，里面均按照DB2的实际环境进行操作和指导，很容易上手，是DB2认证的初级入门资料。
oracle_documents
- oracle9i学生指南。不错的oracle入门学习教程。oracle官方文档，其实就是学习oracle比较好的资料-oracle9i Student Guide. A good entry-learning tutorial oracle. oracle official documents, in fact, the better the information is learning oracle
oracle-9i
- oracle 9i的官方SQL和PL/SQL认证资料，不用找了，一共四个文件，虽然有些旧但是内容没有过时-The official oracle 9i SQL and PL/SQL certification information, do not look for a total of four documents, although some of the contents of the old but not obsolete
postgres
- postgres官方中文文档，Postgres官方文档，非常不错的参考资料-postgres official Chinese documents, Postgres official documents, a very good reference
Les04_多表查询
- oracel 官方资料，涵盖查询，多表查询的全面细致的讲解(Oracel official information, covering inquiries, multi table query comprehensive and detailed explanatio)
Les06_子查询
- oracle官方资料，查询的高级部分，子查询的实现(Oracle official information, advanced part of inquiry, the realization of sub query)