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https://dev.mysql.com/doc/refman/5.7/en/keyring-service.html
If there is no user context, this value can be NULL. The value need not actually be a “user”; the meaning depends on the application. Functions that implement the keyring function interface pass the value of CURRENT_USER() as the user_id value ... MySQL Server supports a keyring service that enables internal server components and plugins to securely store sensitive information for later ...
https://dev.mysql.com/doc/refman/5.7/en/load-data-local-security.html
Such a server could access any file on the client host to which the client user has read access. In this environment, the client with respect to the MySQL server actually is the Web server, not a remote program being run by users who connect to the ... The LOAD DATA statement loads a data file into a ...
https://dev.mysql.com/doc/refman/5.7/en/merge-storage-engine.html
Note The use of MERGE tables entails the following security issue: If a user has access to MyISAM table t, that user can create a MERGE table m that accesses t. However, if the user's privileges on t are subsequently revoked, the user can continue ... The MERGE storage engine, also known as the MRG_MyISAM engine, is a collection of identical MyISAM tables that can be used as ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-linux-rpm.html
The RPM installer should take care of general configuration issues (such as creating the mysql user and group, if needed) automatically. This section covers the steps necessary to install the correct executables for each type of NDB Cluster node ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-transactions.html
When a user-created NDB table is accessed using a unique index, the hidden index table is first read to find the primary key that is then used to read the user-created table. When a row referenced by a unique index in the user-created NDB table is ... A number of limitations exist in NDB Cluster with regard to the handling of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-log-events.html
SINGLEUSER Events These events are associated with entering and exiting single user mode. Table 21.58 Events relating to single user mode Event Priority Severity Level Description SingleUser 7 INFO Entering or exiting single user mode BACKUP Events ... An event report reported in the event logs has the following format: datetime [string] severity -- message For example: 09:19:30 2005-07-24 [NDB] INFO -- Node 4 Start phase 4 completed This section discusses all reportable events, ordered by category and severity level within each ...
21.7.9.1 NDB Cluster Replication: Automating Synchronization of the Replica to the Source Binary Log
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-auto-sync.html
#!/user/bin/perl -w # file: reset-replica.pl # Copyright (c) 2005, 2020, Oracle and/or its affiliates. It is possible to automate much of the process described in the previous section (see Section 21.7.9, “NDB Cluster Backups With NDB Cluster ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-schema.html
User intervention is normally not required to create or maintain either of these tables, since both are maintained by the NDB binary log (binlog) injector thread. This table can be updated by the user to perform filtering by database or table. Some ... ndb_apply_status Table ndb_binlog_index Table ndb_replication Table Replication in NDB Cluster makes use of a number of dedicated tables in the mysql database on each MySQL Server instance acting as an SQL node in both the cluster being replicated and in the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-commands.html
Resetting a connection has effects similar to mysql_change_user() or an auto-reconnect except that the connection is not closed and reopened, and re-authentication is not done. For example: $> mysql --prompt="(\u@\h) [\d]> " (user@host) [database]> ... mysql sends each SQL statement that you issue to the server to be ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-innodb-cluster-introduction.html
Advanced users can also take advantage of a multi-primary mode, where all instances are primaries. Operations enable you to create MySQL Router users at the cluster level, to work with the MySQL Routers bootstrapped against the cluster, and so on.