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https://dev.mysql.com/doc/refman/5.7/en/enum.html
(The practical limit is less than 3000.) A table can have no more than 255 unique element list definitions among its ENUM and SET columns considered as a group. An ENUM is a string object with a value chosen from a list of permitted values that are ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-statement-latency.html
The host_summary_by_statement_latency and x$host_summary_by_statement_latency views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-statement-type.html
These views summarize informaion about statements executed, grouped by host and statement type. By default, rows are sorted by host and descending total latency. The host_summary_by_statement_type and x$host_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-statement-latency.html
The user_summary_by_statement_latency and x$user_summary_by_statement_latency views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-statement-type.html
These views summarize informaion about statements executed, grouped by user and statement type. By default, rows are sorted by user and descending total latency. The user_summary_by_statement_type and x$user_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/5.7/en/assigning-passwords.html
Required credentials for clients that connect to the MySQL server can include a password. MySQL stores credentials in the user table in the mysql system database. Operations that assign or modify passwords are permitted only to users with the ...
https://dev.mysql.com/doc/refman/5.7/en/backup-policy.html
A full backup (a snapshot of the data at a point in time) can be done in MySQL with several tools. For example, MySQL Enterprise Backup can perform a physical backup of an entire instance, with optimizations to minimize overhead and avoid disruption ...
https://dev.mysql.com/doc/refman/5.7/en/charset-introducer.html
A character string literal, hexadecimal literal, or bit-value literal may have an optional character set introducer and COLLATE clause, to designate it as a string that uses a particular character set and collation: [_charset_name] literal [COLLATE ...
https://dev.mysql.com/doc/refman/5.7/en/creating-accounts.html
To manage MySQL accounts, use the SQL statements intended for that purpose: CREATE USER and DROP USER create and remove accounts. GRANT and REVOKE assign privileges to and revoke privileges from accounts. Account-management statements cause the ...
https://dev.mysql.com/doc/refman/5.7/en/encrypted-connection-protocols-ciphers.html
MySQL supports multiple TLS protocols and ciphers, and enables configuring which protocols and ciphers to permit for encrypted connections. It is also possible to determine which protocol and cipher the current session uses. Supported Connection ...