How is Azure Table Storage structured?

Azure Table Storage is structured as a scalable key-value store that organizes data in rows and columns, making it highly efficient for storing large amounts of structured data. Each table in Azure Table Storage consists of entities, which are similar to rows in a traditional database. Each entity has properties, which can be thought of as columns, allowing for the organization of values in a structured manner.

This structure supports the storage of flexible data types by allowing entities within the same table to have different sets of properties. The key-value format facilitates rapid access to large volumes of data, as each entity can be accessed using its unique key. This design is particularly useful for applications that require high availability and scalability without the overhead of complex relationships typical of relational databases.

In contrast, the other options presented do not accurately reflect how Azure Table Storage is structured. It is not a flat-file database, does not conform to the relational database model with multiple tables, nor is it unstructured data storage. The key-value approach allows Azure Table Storage to serve scenarios effectively where scalability and performance are crucial, which is why it is widely used for web applications and large-scale data storage scenarios.