Azure Table storage is a cloud-based NoSQL service which is ideal for large amounts of structured, non-relational data.
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Windows Azure Table Storage is a fault-tolerant, ISO 27001 certified NoSQL key-value store.
Windows Azure Table Storage can be useful for applications that must store large amounts of non-relational data, and need additional structure for that data.
Tables offer key-based access to unschematized data at a low cost for applications with simplified data-access patterns.
While Windows Azure Table Storage stores structured data without schemas, it does not provide any way to represent relationships between the data.