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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-single-user-mode.html
Single user mode enables the database administrator to restrict access to the database system to a single API node, such as a MySQL server (SQL node) or an instance of ndb_restore. When entering single user mode, connections to all other API nodes ...You can also check the status column of the ndbinfo.nodes table (see Section 21.6.15.28, “The ndbinfo nodes Table”, for more ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-config-editor.html
When you use the set command with mysql_config_editor to create a login path, you need not specify all possible option values (host name, user name, password, port, socket). The file location is the %APPDATA%\MySQL directory on Windows and the ...
https://dev.mysql.com/doc/refman/5.7/en/firewall-reference.html
The mysql.firewall_users table lists names and operational modes of registered firewall account profiles. The table has the following columns (with the corresponding Information Schema MYSQL_FIREWALL_USERS table having similar but not necessarily ...
https://dev.mysql.com/doc/refman/5.7/en/keyring-functions-general-purpose.html
(This constraint rules out the use of the keyring functions for manipulation of instance-wide keys, such as those created by InnoDB to support tablespace encryption.) To enable multiple users to perform operations on the same key, “wrapper” ...A ... MySQL Server supports a keyring service that enables internal server components and plugins to store sensitive information securely for later ...
https://dev.mysql.com/doc/refman/5.7/en/option-defaults-equals.html
Consider the following example, where a user connects to a MySQL server running on host tonfisk as user jon: $> mysql --host 85.224.35.45 --user jon Welcome to the MySQL monitor. Suppose the my.cnf file is as shown here: [mysql] user jon Trying to ...Due to this behavior, problems can occasionally arise when no value is provided for an option that expects ...
https://dev.mysql.com/doc/refman/5.7/en/ignoring-user.html
If you get the following error, it means that when mysqld was started or when it reloaded the grant tables, it found an account in the user table that had an invalid password. Found wrong password for user 'some_user'@'some_host'; ignoring user As ...The following list indicates possible causes of and fixes for this problem: You may be running a new version of mysqld with an old user ...
https://dev.mysql.com/doc/refman/5.7/en/set-password.html
SET PASSWORD [FOR user] = password_option password_option: { 'auth_string' | PASSWORD('auth_string') } The SET PASSWORD statement assigns a password to a MySQL user account. = 'auth_string' syntax is not deprecated, but ALTER USER is the preferred ...For example: ALTER USER user IDENTIFIED BY 'auth_string'; Important Under some circumstances, SET PASSWORD may be recorded in server logs or on the client side in a history file such as ~/.mysql_history, which means that cleartext passwords may be read by anyone having read access to that ...
https://dev.mysql.com/doc/refman/5.7/en/upgrading-from-previous-series.html
Incompatible change: As of MySQL 5.7.2, the server requires account rows in the mysql.user system table to have a nonempty plugin column value and disables accounts with an empty value. Incompatible change: MySQL 5.6.22 and later recognized the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-security-mysql-security-procedures.html
You should also delete the anonymous user account that is installed by default. First and foremost, you should always run a MySQL Server as the mysql operating system user; this is no different from running MySQL in a standard (non-Cluster) ... In ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-upgrade.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 ...