Hadoop

说明：  sqlite的最新源码 This ZIP archive contains preprocessed C code for the SQLite library as individual source files. It is strongly recommended that the amalgamation above be used instead of this package(sqlite latest source This ZIP archive contains preprocessed C code for the SQLite library as individual source files. It is strongly recommended that the amalgamation above be used instead of this package)

Handling null fields in SQL queries

音乐管理系统的采集数据程序可自行添加采集点,适合一些大型音乐网站数据的采集，支持采集到本地,已及盗链.(Music management system for data collection procedures can add their own collection point, for some large-scale music site data collection to support the collection to local, have been and navigating to www.sina.com.cn..)

适合企业使用的考勤系统，可以记录每个员工的考勤情况。(Attendance system for business use, you can record each employee' s attendance.)

Sqlite3 的确很好用。小巧、速度快。但是因为非微软的产品，帮助文档总觉得不够。这 些天再次研究它，又有一些收获，这里把我对 sqlite3 的研究列出来，以备忘记。(Sqlite3 really good use. Small, fast. But for the Microsoft products, always feel that not enough to help document. This Some day to study it, and have some harvest, here I study on SQLite3 list, to forget.)

query for sybase system very good for biginner

一个可以打开 SqlCe 数据库文件, 输入 SQL 进行查询的小工具.(SqlCe client tool.)

说明：  DAO读写(literacy DAO)

说明：  德卡读卡程序，与D8读卡器相匹配，能够对MIFARE系列的卡进行操作(Deka card reader program, matched with D8 card reader, can operate MIFARE series cards)

ALTER TABLE and CREATE TABLE in Access/vb6