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https://dev.mysql.com/doc/x-devapi-userguide/en/transaction-handling.html
Transactions can be used to group operations into an atomic unit. Either all operations of a transaction succeed when they are committed, or none. It is possible to roll back a transaction as long as it has not been committed. Transactions can be ...
https://dev.mysql.com/doc/refman/8.4/en/upgrading-what-is-upgraded.html
An error occurs if a sys schema exists but has no version view, on the assumption that its absence indicates a user-created schema: A sys schema exists with no sys.version view. If you have a user created sys schema, this must be renamed for the ...
https://dev.mysql.com/doc/refman/8.4/en/sys-user-summary-by-file-io-type.html
These views summarize file I/O, grouped by user and event type. By default, rows are sorted by user and descending total latency. The user_summary_by_file_io_type and x$user_summary_by_file_io_type views have these columns: user The client user ...
https://dev.mysql.com/doc/refman/8.4/en/sys-user-summary-by-stages.html
By default, rows are sorted by user and descending total stage latency. The user_summary_by_stages and x$user_summary_by_stages views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema ...
https://dev.mysql.com/doc/refman/8.4/en/sys-waits-by-user-by-latency.html
These views summarize wait events, grouped by user and event. By default, rows are sorted by user and descending total latency. The waits_by_user_by_latency and x$waits_by_user_by_latency views have these columns: user The user associated with the ...
https://dev.mysql.com/doc/refman/8.4/en/resetting-permissions.html
If you start the server as root without using --user=mysql, the server may create root-owned files in the data directory, such as log files, and these may cause permission-related problems for future server startups. This enables anyone to connect ...For instructions on assigning a password, see Section 2.9.4, “Securing the Initial MySQL ... If you have never assigned ...
https://dev.mysql.com/doc/refman/8.4/en/server-status-variables.html
Memory used by system threads or by the MySQL root account is included in the total, but such threads or users are not subject to disconnection due to memory usage. Includes both implicit (InnoDB-created) and explicit (user-created) undo ...| ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-iam-policy.html
This can be the MySQL Administrator user specified when creating the DB System (see Creating a DB System) or a MySQL user account created on the DB System using CREATE USER . If you are not the MySQL Administrator and you do not have a MySQL user ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlcheck.html
--user=user_name, -u user_name Command-Line Format --user=user_name, Type String The user name of the MySQL account to use for connecting to the server. mysqlcheck uses the SQL statements CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, and OPTIMIZE TABLE ... The mysqlcheck client performs table maintenance: It checks, repairs, optimizes, or analyzes ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-first-login-dashboard.html
This creates the Manager user described in Section 4.3.3, “Users Created on First Log-in”. Create user with agent role: the Agent user credentials are used by every monitoring agent to connect to MySQL Enterprise Service Manager. This is the ...