MySQL :: MySQL 8.0 Reference Manual

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7.9.1.6 Using Server Logs to Find Causes of Errors in mysqld

https://dev.mysql.com/doc/refman/8.0/en/using-log-files.html

Note that before starting mysqld with the general query log enabled, you should check all your tables with myisamchk. If mysqld dies or hangs, you should start mysqld with the general query log enabled. When mysqld dies again, you can examine the ...

8.4.3.1 Password Validation Component Installation and Uninstallation

https://dev.mysql.com/doc/refman/8.0/en/validate-password-installation.html

Note If you install MySQL 8.0 using the MySQL Yum repository, MySQL SLES Repository, or RPM packages provided by Oracle, the validate_password component is enabled by default after you start your MySQL Server for the first time. This section ...

8.4.3.3 Transitioning to the Password Validation Component

https://dev.mysql.com/doc/refman/8.0/en/validate-password-transitioning.html

Note In MySQL 8.0, the validate_password plugin was reimplemented as the validate_password component. The validate_password plugin is deprecated; expect it to be removed in a future version of MySQL. MySQL installations that currently use the ...

2.1.4.1 Verifying the MD5 Checksum

https://dev.mysql.com/doc/refman/8.0/en/verifying-md5-checksum.html

Note Make sure to verify the checksum of the archive file (for example, the .zip, .tar.gz, or .msi file) and not of the files that are contained inside of the archive. After you have downloaded a MySQL package, you should make sure that its MD5 ...

7.6.6.2 Installing or Uninstalling Version Tokens

https://dev.mysql.com/doc/refman/8.0/en/version-tokens-installation.html

To avoid this overhead, do not install it unless you plan to use it. This section describes how to install or uninstall Version Tokens, which is implemented in a plugin library file containing a plugin and loadable functions. For general information ...

10.2.1.1 WHERE Clause Optimization

https://dev.mysql.com/doc/refman/8.0/en/where-optimization.html

Note Because work on the MySQL optimizer is ongoing, not all of the optimizations that MySQL performs are documented here. This section discusses optimizations that can be made for processing WHERE clauses. The examples use SELECT statements, but ...

14.20.5 Window Function Restrictions

https://dev.mysql.com/doc/refman/8.0/en/window-function-restrictions.html

Note that a single query may use multiple SELECT clauses, and each of these clauses supports up to 127 windows. The SQL standard imposes a constraint on window functions that they cannot be used in UPDATE or DELETE statements to update rows. Using ...

14.20.2 Window Function Concepts and Syntax

https://dev.mysql.com/doc/refman/8.0/en/window-functions-usage.html

However, whereas an aggregate operation groups query rows into a single result row, a window function produces a result for each query row: The row for which function evaluation occurs is called the current row. The query rows related to the current ...

2.3.2 Choosing an Installation Package

https://dev.mysql.com/doc/refman/8.0/en/windows-choosing-package.html

Note Because MySQL Installer is not a native component of Microsoft Windows and depends on .NET, it does not work with minimal installation options like the Server Core version of Windows Server. For MySQL 8.0, there are multiple installation ...

2.3.4.2 Creating an Option File

https://dev.mysql.com/doc/refman/8.0/en/windows-create-option-file.html

Note When using the MySQL Installer to install MySQL Server, it creates the my.ini at the default location, and the user executing MySQL Installer is granted full permissions to this new my.ini file. An option file can be created and modified with ... If you need to specify startup options when you run the server, you can indicate them on the command line or place them in an option ...

Displaying 831 to 840 of 846 total results