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https://dev.mysql.com/doc/refman/5.7/en/selinux-file-context.html
If the SELinux context is not set correctly for these files, access to the files could be denied. If you edit the configuration file to use a different location for the data directory, or for any of the files normally in the data directory (such as ...semanage fcontext -l | grep -i mysql Setting the MySQL Data Directory Context The default data directory location is /var/lib/mysql/; and the SELinux context used is ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-setup-objects-table.html
(Tables in the INFORMATION_SCHEMA database are not instrumented regardless of the contents of setup_objects; the row for information_schema.% simply makes this default explicit.) When the Performance Schema checks for a match in setup_objects, it ...
https://dev.mysql.com/doc/refman/5.7/en/json.html
A set of spatial functions for operating on GeoJSON values is also available. (For strings in the ascii or utf8 character sets, no conversion is needed because ascii and utf8 are subsets of utf8mb4.) As an alternative to writing JSON values using ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-undo-tablespaces.html
The default setting for innodb_rollback_segments is 128, which is also the maximum value. Therefore, to allocate rollback segments to undo tablespaces, set innodb_rollback_segments to a value greater than 33. For example, if you have two undo ...
https://dev.mysql.com/doc/refman/5.7/en/identifier-case-sensitivity.html
It is not true for names of columns, constraints, databases, partitions, statements prepared with PREPARE, tables, triggers, users, and user-defined variables. If you plan to set the lower_case_table_names system variable to 1 on Unix, you must ...
https://dev.mysql.com/doc/refman/5.7/en/binary-varbinary.html
Instead, it causes the binary (_bin) collation for the column character set (or the table default character set if no column character set is specified) to be used, and the column itself stores nonbinary character strings rather than binary byte ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-memory-per-fragment.html
memory_per_fragment Table: Notes memory_per_fragment Table: Examples The memory_per_fragment table provides information about the usage of memory by individual fragments. table_id Table ID for this table node_id Node ID for this node block_instance ...See the Notes later in this section to see how you can use this to find out how much memory is used by NDB ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-prepared-statements-instances-table.html
For the text protocol, this column is the external statement name assigned by the user. To control the size of this table, set the performance_schema_max_prepared_statements_instances system variable at server startup. The Performance Schema ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-connection-configuration-table.html
(CHANGE MASTER TO option: MASTER_PORT) USER The user name of the account used to connect to the replication source server. (CHANGE MASTER TO option: MASTER_USER) NETWORK_INTERFACE The network interface that the replica is bound to, if any. This ...
https://dev.mysql.com/doc/refman/5.7/en/show-slave-hosts.html
User: The replica server user name as, specified on the replica with the --report-user option. Password: The replica server password as, specified on the replica with the --report-password option. A zero in this column means that the replica port ...