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https://dev.mysql.com/doc/refman/5.7/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/refman/5.7/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$user_summary_by_file_io_type views have these columns: user The client user ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-stages.html
By default, rows are sorted by user and descending total stage latency. The user_summary_by_stages and x$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/5.7/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/5.7/en/performance-schema-status-variable-summary-tables.html
Each status variable summary table has one or more grouping columns to indicate how the table aggregates status values: status_by_account has USER, HOST, and VARIABLE_NAME columns to summarize status variables by account. The meaning of ... Note The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-syntax.html
CREATE TABLE and ALTER TABLE statements that would cause a user-partitioned NDBCLUSTER table not to meet either or both of the following two requirements are not permitted, and fail with an error: The table must have an explicit primary key. If a ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-preparation.html
If the source cluster is already in use, you can create a backup of the source and load this onto the replica to cut down on the amount of time required for the replica to synchronize itself with the source. ndb-connectstring=management_host[:port] ... Preparing the NDB Cluster for replication consists of the following steps: Check all MySQL servers for version compatibility (see Section 21.7.2, “General Requirements for NDB Cluster ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-host-cache-table.html
MySQL does not perform matching of Host column values in the mysql.user system table against host names for which one or more of the initial components of the name are entirely numeric, such as 1.2.example.com. For the rationale why this type of ...
https://dev.mysql.com/doc/refman/5.7/en/linux-installation-rpm.html
Notes The mysql user is created using the -r and -s /bin/false options of the useradd command, so that it does not have login permissions to your server host (see Creating the mysql User and Group for details). To switch to the mysql user on your ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlimport.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. --defaults-extra-file=file_name Command-Line Format --defaults-extra-file=file_name Type File ...