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https://dev.mysql.com/doc/refman/8.4/en/connecting-disconnecting.html
To connect to the server, you usually need to provide a MySQL user name when you invoke mysql and, most likely, a password. Contact your administrator to find out what connection parameters you should use to connect (that is, what host, user name, ...If the server runs on a machine other than the one where you log in, you must also specify a host ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbd-definition.html
Both of these parameters (especially MaxNoOfConcurrentOperations) are likely targets for users setting specific values and not using the default value. However, users with a need to support transactions involving large numbers of rows or operations ... The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-query-profiling.html
The setup_actors table can be used to limit the collection of historical events by host, user, or account to reduce runtime overhead and the amount of data collected in history tables. The first step of the example shows how to limit collection of ... The following example demonstrates how to use Performance Schema statement events and stage events to retrieve data comparable to profiling information provided by SHOW PROFILES and SHOW PROFILE ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-variables-info-table.html
This includes option files not covered by EXPLICIT, EXTRA, LOGIN, PERSISTED, SERVER, or USER. LOGIN The variable was set from a user-specific login path file (~/.mylogin.cnf). USER The variable was set from a user-specific ~/.my.cnf option file.
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-howto.html
If you are starting with new servers, see Section 19.1.2.3, “Creating a User for Replication” for information about adding a specific user for replication connections and Section 19.1.2.1, “Setting the Replication Source Configuration” for ... This section describes a process for configuring and starting GTID-based replication in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/secure-client-programming.html
Handle External Data Properly Handle MySQL Error Messages Properly Handle External Data Properly Applications that access MySQL should not trust any data entered by users, who can try to trick your code by entering special or escaped character ...
https://dev.mysql.com/doc/refman/8.4/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-start-client.html
--user=username or -u[ ]username The option specifies the user name for connecting to the agent. To connect successfully, the value of the option must match that specified by the mcmd configuration option mcmd-user of the agent you are connecting ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-authentication-plugins-setup.html
Create a user for whom the server will use the auth_simple plugin for authentication: mysql> CREATE USER 'x'@'localhost' -> IDENTIFIED WITH auth_simple; Use a client program to connect to the server as user x. Invoke the client program each way to ... To compile and install a plugin library file, use the instructions in Section 4.4.3, “Compiling and Installing Plugin ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-connections-in-javascript-and-python.html
A Session object is returned: mysql-py> s2 = shell.open_session('mysqlx://user@localhost:33060?compression=required', 'password') mysql-py> s2 <Session:user@localhost:33060> Session objects that you create in JavaScript mode using these functions ...