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https://dev.mysql.com/doc/refman/8.0/en/sys-format-time.html
Note As of MySQL 8.0.16, format_time() is deprecated and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in FORMAT_PICO_TIME() function instead. See Section 14.21, “Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/sys-quote-identifier.html
Given a string argument, this function produces a quoted identifier suitable for inclusion in SQL statements. This is useful when a value to be used as an identifier is a reserved word or contains backtick (`) characters. Example mysql> SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html
The text of many MySQL 8.0 error messages has been revised and improved to provide more and better information than in MySQL 5.7. It should be as big as the largest Section 13.3.4, “The BLOB and TEXT Types” you want to use. Before upgrading to ...
https://dev.mysql.com/doc/refman/8.0/en/windows-create-option-file.html
Whichever option file you use, it must be a plain text file. An option file can be created and modified with any text editor, such as Notepad. If you need to specify startup options when you run the server, you can indicate them on the command line ...
https://dev.mysql.com/doc/refman/8.0/en/windows-start-service.html
Place your cursor at the end of the text appearing in the space marked Variable Value. On Windows, the recommended way to run MySQL is to install it as a Windows service, so that MySQL starts and stops automatically when Windows starts and stops. A ...
https://dev.mysql.com/doc/refman/8.0/en/adding-character-set.html
The syntax for the file is very simple: Comments are written as ordinary XML comments (<!-- text -->). This section discusses the procedure for adding a character set to MySQL. The proper procedure depends on whether the character set is simple or ...
https://dev.mysql.com/doc/refman/8.0/en/aggregate-functions.html
The result type is TEXT or BLOB unless group_concat_max_len is less than or equal to 512, in which case the result type is VARCHAR or VARBINARY. This section describes aggregate functions that operate on sets of values. They are often used with a ...
https://dev.mysql.com/doc/refman/8.0/en/archive-storage-engine.html
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. To enable this storage engine if you build MySQL from source, invoke CMake with the -DWITH_ARCHIVE_STORAGE_ENGINE ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-security.html
By default, contents of audit log files produced by the audit log plugin are not encrypted and may contain sensitive information, such as the text of SQL statements. For security reasons, audit log files should be written to a directory accessible ...
https://dev.mysql.com/doc/refman/8.0/en/batch-mode.html
filename See Section 6.5.1.5, “Executing SQL Statements from a Text File”, for more information. In the previous sections, you used mysql interactively to enter statements and view the results. If you want the script to continue even if some of ...