（ ）is a collection of data（2013年上半年信息系统项目管理师上午综合知识真题解析）
（ ）is a collection of data sets, which is so large and complex that it becomes difficult to process using on-hand database management tools or traditional data processing applications.
A. Big data
B. Cluster
C. Parallel computing
D. Data warehouse
参考答案： A
参考解析：正在整理中,欢迎在文下评论区提供答案解析,谢谢！