PostgreSQL vs  MySQL

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How do they differ?

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What is PostgreSQL?

Free and open-source object-RDBMS featuring extensibility and SQL compliance. Also, ACID compliant, SQL compliant, and supports JSON and some other NoSQL features.

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What is MySQL?

A popular cloud base RDBMS that works as client-server architecture where a client sends the request to a server and the server sends back the desired output.

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Comparison based on ACID Compliant

PostgreSQL is completely ACID compliant, whereas MySQL only supports ACID when used with InnoDB and NDB.

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Comparison based on Efficiency

MySQL database is simple, reliable, and fast, whereas the PostgreSQL database is complex and slower.

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Comparison based on Troubleshooting

With MySQL, there is a robust and dedicated community ready to assist, whereas PostgreSQL has a more challenging troubleshooting process.

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Comparison based on MVCC Support

Multiple users can work on the PostgreSQL database simultaneously with MVCC, while MySQL only supports MVCC when using InnoDB.

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Comparison based on Data Types

PostgreSQL supports advanced data types (arrays, hstores, and user-defined data types, while MySQL only supports standard data types (numeric, strings, date, time).

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Comparison based on Replication

PostgreSQL replication is synchronous where the master database is synchronized with the slave database, whereas MySQL replication is asynchronous (one-way).

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Click below for a detailed comparison between PostgreSQL Vs  MySQL.