Big data refers to huge collections of data that are difficult to process, analyze, and manage using conventional data tools. It is a core component of the _____ platform, which also includes cloud computing, ____ devices, and social networking. The five Vs of big data are high volume, high ____, diversified variety, unknown veracity, and low-____ value. Although SQL and relational databases can be used for big datasets, a collection of alternative tools referred to as ____ has become popular. These tools work well when databases scale _____ (horizontally) and when databases are broken into subsets called ____. Modern database tools also handle ____ scaling as devices are added when additional capacity is required. NoSQL tools are sometimes said to create ____databases, but they usually have some type of structure, though it may be more flexible than the relational model. A key- ____ data model provides each data element with a key. A(n) ____-oriented data model makes it easy to access data stored in similar fields, rather than in individual records. Two very popular NoSQL tools include _____, which is a big data file system, and ____, which sends processing logic to the data, rather than bringing the data to the computer that performs the processing.