In the future, the key of infomation technoloy is how to make the most of value of these massed data in stead of data process.Data warehouse technology emerged as the times require.

• 计算机硬件技术和软件技术的飞速发展使得数据处理更加容易,数据处理已经不是今后信息技术的重点,代之而来的是如何充分使用这些比海水还多的信息。