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基于C#的数据库SQLite的一些读取和写入的操作方法。包含数据库操作语句。(Some reading and writing methods of the database SQLite based on C#. The database operation statement is included.)

memory mapped noSQL database engine

hadoop 权威指南，详细介绍了hadoop的工作原理和编程方法(hadoop java c++ work)

说明：  此压缩文件包含2002年-2017年200多个地级市资本存量的数据，里面有详细的计算过程与说明。(This document contains the capital stock data of more than 200 cities in 2002-2017, including detailed calculation process and description, which is convenient for scholars to understand and master)

ALTER TABLE and CREATE TABLE in Access/vb6

sqlite-3_3_7 源代码，最稳定的sqlite源码，可以编译成linux、windows、mac等版本(sqlite-3_3_7 源码)

自创的彼此交流账目软件，难得的好软件请一定要下来看看。(self-exchange accounts software, a rare good software must please look down.)

This is certification dumbs for db2 version 9.

一个sqlite数据库操作文件。自己用着不错，共享下(A sqlite database operation file. Themselves with the good, the next sharing)

连接access数据库实例，简单的操作access数据库(Connecting access database instance)