The pid in mysql refers to the process ID "Process ID", which is a unique identifier used to identify the running process. The process is an instance of the program being executed in the operating system. Each process has a unique The process ID is very important for tracking and managing processes.
Operating system for this tutorial: Windows 10 system, MySQL 8 version, Dell G3 computer.
In MySQL, pid refers to the process ID (Process ID), a unique identifier used to identify the running process. A process is an instance of a program that is executing in the operating system. Every process has a unique process ID.
In MySQL, pid is usually associated with the server process. When the MySQL server is started, a background process is created to handle client connection requests and perform database operations. The process ID of this background process is called pid.
Process ID is very important for tracking and managing processes. You can use the tools provided by the operating system, such as the ps command (Linux/Unix) or Task Manager (Windows), to view running processes and their corresponding process IDs.
In MySQL, pid is sometimes used to identify the process related to a specific session (session) in order to identify and manage the session and the resources associated with it.
It should be noted that pid is an operating system-level identifier. It is only used to identify and manage server processes or sessions in MySQL and is not specific to MySQL itself.
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