More and more database choices are becoming available to meet data processing needs. For example, NoSQL technologies are encroaching on the dominance of relational databases, which guarantee data and transaction integrity but typically impose rigid SQL-based schemas for structuring and storing data. Now, as businesses look at the options, the myriad NoSQL databases that have emerged in recent years offer alluring features for managing varied and frequently changing sets of big data. Meanwhile, many of the mainstay RDBMS vendors are bumping up their database offerings with NoSQL capabilities. Test your knowledge of relational and NoSQL database technologies with this brief quiz.