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https://dev.mysql.com/doc/refman/8.0/en/table-locking.html
Workarounds for Locking Performance Issues The following items describe some ways to avoid or reduce contention caused by table locking: Consider switching the table to the InnoDB storage engine, either using CREATE TABLE ... You might have to ...
https://dev.mysql.com/doc/refman/8.0/en/time-zone-support.html
Note Named time zones can be used only if the time zone information tables in the mysql database have been created and populated. The MySQL installation procedure creates the time zone tables, but does not load them. This section describes the time ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-before-you-begin.html
If your MySQL installation contains a large amount of data that might take a long time to convert after an in-place upgrade, it may be useful to create a test instance for assessing the conversions that are required and the work involved to perform ...The backup should include the mysql system database, which contains the MySQL data dictionary tables and system ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-troubleshooting.html
If you have created a loadable function with a given name and upgrade MySQL to a version that implements a new built-in function with the same name, the loadable function becomes inaccessible. To correct this, use DROP FUNCTION to drop the loadable ... A schema mismatch in a MySQL 5.7 instance between the .frm file of a table and the InnoDB data dictionary can cause an upgrade to MySQL 8.0 to ...
https://dev.mysql.com/doc/refman/8.0/en/user-resources.html
To establish resource limits for an account at account-creation time, use the CREATE USER statement. One means of restricting client use of MySQL server resources is to set the global max_user_connections system variable to a nonzero value. This ...
https://dev.mysql.com/doc/refman/8.0/en/using-mysqldump.html
This output consists of CREATE statements to create dumped objects (databases, tables, stored routines, and so forth), and INSERT statements to load data into tables. The output can be saved in a file and reloaded later using mysql to recreate the ... Tip Consider using the MySQL Shell dump utilities, which provide parallel dumping with multiple threads, file compression, and progress information display, as well as cloud features such as Oracle Cloud Infrastructure Object Storage streaming, and MySQL HeatWave Service compatibility checks and ...
https://dev.mysql.com/doc/refman/8.0/en/version-tokens-reference.html
The following functions permit the server's list of version tokens to be created, changed, removed, and inspected. If a token does not exist, it is created with the given value. The following discussion serves as a reference to these Version Tokens ...
https://dev.mysql.com/doc/refman/8.0/en/windows-restrictions.html
DATA DIRECTORY and INDEX DIRECTORY The DATA DIRECTORY clause of the CREATE TABLE statement is supported on Windows for InnoDB tables only, as described in Section 17.6.1.2, “Creating Tables Externally”. For MyISAM and other storage engines, the ... The following restrictions apply to use of MySQL on the Windows platform: Process memory On Windows 32-bit platforms, it is not possible by default to use more than 2GB of RAM within a single process, including ...
https://dev.mysql.com/doc/refman/8.0/en/workbench.html
MySQL Workbench provides five main areas of functionality: SQL Development: Enables you to create and manage connections to database servers. Data Modeling: Enables you to create models of your database schema graphically, reverse and forward ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-encrypted-connections.html
Encryption per connection is optional, but a specific user can be required to use encryption for X Protocol and MySQL Protocol connections by including an appropriate REQUIRE clause in the CREATE USER statement that creates the user. This section ...