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MQTT (MQ Telemetry Transport)

MQTT is a lightweight messaging protocol that provides resource-constrained network clients with a simple way to distribute telemetry information. The protocol, which uses a publish/subscribe communication pattern, is used for machine-to-machine (M2M) communication in the Internet of Things (IoT).

MQTT allows devices to send (publish) information about a given topic to a server that functions as an MQTT message broker. The broker then pushes the information out to those clients that have previously subscribed to the client's topic. To a human, a topic looks like a hierarchial file path. Clients can subscribe to a specific level of a topic's hierarchy or use a wildcard character to subscribe to multiple levels.

رابطه بيكاری و رشته هاي دانشگاهی / نرخ بيكاری نا اميد كننده در علوم كامپيوتر ؛ صنعت و فرآوری
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Word of day...

Amazon Aurora

Amazon Aurora is a relational database engine from Amazon Web Services. The engine is compatible with MySQL, which means code, applications and drivers used in databases relying on MySQL can be used in Aurora with minimal or no changes. MySQL is an open source database management system based on Structured Query Language (SQL).

Amazon Relational Database Service (RDS) manages Aurora databases by handling provisioning, patching, backup, recovery and other tasks. A developer can migrate to and from MySQL databases by using the mysqldump (export) and mysqlimport (import) utilities or by using RDS' DB Snapshot migration feature. Data migration typically takes one hour.