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https://dev.mysql.com/doc/refman/5.7/en/default-privileges.html
The mysql.user grant table defines the initial MySQL user account and its access privileges. The 'root'@'localhost' account also has a row in the mysql.proxies_priv table that enables granting the PROXY privilege for ''@'', that is, for all users ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-replica.html
For example, a GRANT statement, which updates the mysql.user system table but does not mention that table, is not affected by a filter that specifies mysql.% as the wildcard pattern. For example, a GRANT statement, which updates the mysql.user ...If ... This section explains the server options and system variables that apply to replicas and contains the following: Startup Options for Replicas Options for Logging Replica Status to Tables System Variables Used on Replicas Specify the options either on the command line or in an option ...
https://dev.mysql.com/doc/refman/5.7/en/connecting.html
For a client program to connect to the MySQL server, it must use the proper connection parameters, such as the name of the host where the server is running and the user name and password of your MySQL account. The default user name is ODBC on ...
https://dev.mysql.com/doc/refman/5.7/en/dba-dtrace-mysqld-ref.html
connection-start(connectionid, user, host) connection-done(status, connectionid) connection-start: Triggered after a connection and successful login/authentication have been completed by a client. Commands include operations such as the ... MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/set-variable.html
variable: { user_var_name | param_name | local_var_name | {GLOBAL | @@GLOBAL.} system_var_name | [SESSION | @@SESSION. | @@] system_var_name } SET syntax for variable assignment enables you to assign values to different types of variables that ...
https://dev.mysql.com/doc/refman/5.7/en/mysqld-safe.html
Linux users can use the libtcmalloc_minimal.so included in binary packages by adding these lines to the my.cnf file: [mysqld_safe] malloc-lib=tcmalloc Those lines also suffice for users on any platform who have installed a tcmalloc package in ...
https://dev.mysql.com/doc/refman/5.7/en/validate-password.html
This applies to the ALTER USER, CREATE USER, GRANT, and SET PASSWORD statements, and passwords given as arguments to the PASSWORD() function. Note For statements that assign, modify, or generate account passwords (ALTER USER, CREATE USER, GRANT, and ...For CREATE USER statements, validate_password requires that a password be given, and that it satisfies the password ... The ...
https://dev.mysql.com/doc/refman/5.7/en/system-schema.html
Grant System Tables These system tables contain grant information about user accounts and the privileges held by them: user: User accounts, global privileges, and other nonprivilege columns. For more information about the structure, contents, and ...
https://dev.mysql.com/doc/refman/5.7/en/privilege-changes.html
If the mysqld server is started without the --skip-grant-tables option, it reads all grant table contents into memory during its startup sequence. If you modify the grant tables indirectly using an account-management statement, the server notices ...The in-memory tables become effective for access control at that ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-file-io.html
The user_summary_by_file_io and x$user_summary_by_file_io views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background threads and are ...By ...