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https://dev.mysql.com/doc/refman/8.0/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 14.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/8.0/en/locking-functions.html
One way to reduce the likelihood of this is to use lock names that are database-specific or application-specific. While held by one session, other sessions cannot obtain a lock of the same name. Returns 1 if the lock was obtained successfully, 0 if ...
https://dev.mysql.com/doc/refman/8.0/en/logical-operators.html
Most of this is common to different SQL database servers, although some servers may return any nonzero value for TRUE. Table 14.5 Logical Operators Name Description AND, && Logical AND NOT, ! Negates value OR, || Logical OR XOR Logical XOR In SQL, ...
https://dev.mysql.com/doc/refman/8.0/en/macos-installation-launchd.html
Figure 2.18 MySQL Preference Pane: Location The Instances page includes an option to start or stop MySQL, and Initialize Database recreates the data/ directory. macOS uses launch daemons to automatically start, stop, and manage processes and ...
https://dev.mysql.com/doc/refman/8.0/en/macos-installation-pkg.html
The package is located inside a disk image (.dmg) file that you first need to mount by double-clicking its icon in the Finder. Note Before proceeding with the installation, be sure to stop all running MySQL server instances by using either the ...
https://dev.mysql.com/doc/refman/8.0/en/macos-installation.html
For a list of macOS versions that the MySQL server supports, see https://www.mysql.com/support/supportedplatforms/database.html. MySQL for macOS is available in a number of different forms: Native Package Installer, which uses the native macOS ...
https://dev.mysql.com/doc/refman/8.0/en/making-windows-dumps.html
Program Database files (with suffix pdb) are included in the ZIP Archive Debug Binaries & Test Suite distribution of MySQL. These files provide information for debugging your MySQL installation in the event of a problem. This is a separate download ...
https://dev.mysql.com/doc/refman/8.0/en/monitor-alter-table-performance-schema.html
In this example, a middle_name column is added to the employees table of the employees sample database. You can monitor ALTER TABLE progress for InnoDB tables using Performance Schema. There are seven stage events that represent different phases of ...
https://dev.mysql.com/doc/refman/8.0/en/monitoring-performance-schema.html
You can query the tables in the performance_schema database to see real-time information about the performance characteristics of your server and the applications it is running.
https://dev.mysql.com/doc/refman/8.0/en/multiple-data-directories.html
Warning Normally, you should never have two servers that update data in the same databases. Each MySQL Instance on a machine should have its own data directory. There are different methods of setting up a data directory for a new instance: Create a ...