https://dev.mysql.com/innodb-indexes-table.html
For GEN_CLUST_INDEX indexes, this value is 0 because the index is created using an artificial value rather than a real table column. For related usage information and examples, see Section 15.14.3, “InnoDB INFORMATION_SCHEMA Schema Object ...
https://dev.mysql.com/innodb-compression-syntax-warnings.html
The real compressed page size of the table cannot be displayed by MySQL. This section describes syntax warnings and errors that you may encounter when using the table compression feature with file-per-table tablespaces and general tablespaces. SQL ...
https://dev.mysql.com/memory-summary-tables.html
The real memory usage for this account could have been in the range from 11.5MB to 13.5MB. Operation counts help to understand or tune the overall pressure the server is putting on the memory allocator, which has an impact on performance. Allocating ...
https://dev.mysql.com/user-variables.html
Assignment of decimal and real values does not preserve the precision or scale of the value. You can store a value in a user-defined variable in one statement and refer to it later in another statement. This enables you to pass values from one ...
https://dev.mysql.com/monitoring-performance-schema.html
You can query the tables in the performance_schema database to see real-time information about the performance characteristics of your server and the applications it is running.
https://dev.mysql.com/data-masking-usage.html
Before using MySQL Enterprise Data Masking and De-Identification, install it according to the instructions provided at Section 6.4.8.2, “Installing or Uninstalling MySQL Enterprise Data Masking and De-Identification”. To use MySQL Enterprise ...
https://dev.mysql.com/mysql-enterprise-data-masking.html
Data masking hides sensitive information by replacing real values with substitutes. MySQL Enterprise Edition 5.7 and higher includes MySQL Enterprise Data Masking and De-Identification, implemented as a plugin library containing a plugin and a set ...
https://dev.mysql.com/group-replication-throttling.html
The lowest capacity of all the members in the group determines the real capacity of the group, while the number of local transactions determines how many members are writing to it, and, consequently, how many members should that available capacity ... Based on the metrics gathered across all servers in the group, a throttling mechanism kicks in and decides whether to limit the rate a member is able to execute/commit new ...
