With the appearance of computer network,coud computing, the internet of things, big data more and more get the attention of people. Understanding and Application big data, and make a scientific decision, become the most necessary and urgent problem. Big data, not only let the database have always been known for efficient and secure storag embarrassed, but also allow the data warehouse that provide the convenience for business intelligence and decision-making lose their role. As to the data warehoue that support for global application and decision analysis, the paper from the perspective of technology start, study the data warehouse in big data, the aim is for the big data building data warehouse ready to early.
