A Microsoft Azure table is a non-relational, NoSQL-like, massive, scalable, distributed, key/property bag collection typically used to maintain users, orders, games scores, etc. This video explains how to use the .NET client library to secure and manipulate tables. It also shows guidelines and best practices for how to structure and access a table to build scalable apps. The video introduuces many table features, including how to version a table without your clients experiencing any down time, optimistic concurrency and last-writer-wins patterns, and segmented queries. Particular emphasis is placed on the importance of partition keys and how they control scalability, sorting, and entity group transactions.