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Wednesday, 2 March 2016

Azure storage types

Storage Types
Each storage account can contain the following types of storage. You can use more than one of these types in the same storage account:

BLOB Storage

Binary Large Objects (BLOBs) can be any type of file or binary data. This can include
documents, images, videos, backup files, configuration files, and data logs. You can create any
number of containers within a single storage account. Within each container, you can store any
number of blobs up to the 500 TB limit.
BLOB has two sub types as
  • Page BLOB: Page blobs are designed for random read and write operations. Blobs are accessed as pages, each of which is up to 512 bytes in size. When you create a page blob, you specify the maximum size to which it may grow up to a limit of 1 TB.
  • Block BLOB: Block blobs are designed to enable developers to upload large files efficiently. Data is uploaded in the form of data blocks, each of which is up to 4 MB in size. Block blobs can be up to 200 GB in size.

Table Storage

You can use tables to store data without specifying a schema as you would in a database. This schema-less design makes it easy for developers to adapt a table to changing requirements. Developers can use table storage as the back-end data store for websites, mobile apps,
PaaS cloud services, and other types of solution.

Queue Storage

When developers architect distributed applications, they need a method by which components of the application can reliably communicate asynchronously. One popular method is to use a queue: a source component sends a message by placing it into a queue. The destination
component works though the messages in the queue one at a time. You can use Azure Queue
Storage to provide such a message queue with all the redundancy and reliability provided by Azure Storage.

File Storage

Azure file storage enables you to create an SMB file share. Client computers can browse
this share or map a network drive to the share as they might access a file share on an on-premises Windows file and print server.

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