What is parallel query in MySQL?

What is a parallel query?

Parallel query is a method used to increase the execution speed of SQL queries by creating multiple query processes that divide the workload of a SQL statement and executing it in parallel or at the same time.

Why parallel is used in SQL query?

Parallel SQL enables a SQL statement to be processed by multiple threads or processes simultaneously. Today's widespread use of dual and quad core processors means that even the humblest of modern computers running an Oracle database will contain more than one CPU.

Does MySQL support parallel queries?

And finally: MySQL 8.0. 14 has (for now limited) an ability to perform parallel query execution. At the time of writing it is limited to select count(*) from table queries as well as check table queries.

What is parallel processing in SQL?

What is parallel processing? The parallel processing aims to separate big tasks into more than one small task, and these small tasks will be completed by the discrete threads. In this approach, more than one task will be performed in unit time; thus, the response time will be reduced dramatically.