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https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html
utf8 has been used by MySQL in the past as an alias for the utf8mb3 character set, but this usage is now deprecated; in MySQL 8.0, SHOW statements and columns of INFORMATION_SCHEMA tables display utf8mb3 instead. For more information, see Section ...
https://dev.mysql.com/doc/refman/8.0/en/charset.html
The default MySQL server character set and collation are utf8mb4 and utf8mb4_0900_ai_ci, but you can specify character sets at the server, database, table, column, and string literal levels. MySQL includes character set support that enables you to ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-option-variable-reference.html
Table 7.7 Clone System Variable Reference Name Cmd-Line Option File System Var Status Var Var Scope Dynamic clone_autotune_concurrency Yes Yes Yes Global Yes clone_block_ddl Yes Yes Yes Global Yes clone_buffer_size Yes Yes Yes Global Yes ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-options-variables.html
The requested data transfer rate specified by clone_max_data_bandwidth may differ from the actual data transfer rate reported by the DATA_SPEED column in the performance_schema.clone_progress table. This section describes the system variables that ...
https://dev.mysql.com/doc/refman/8.0/en/command-line-options.html
Program options specified on the command line follow these rules: Options are given after the command name. An option argument begins with one dash or two dashes, depending on whether it is a short form or long form of the option name. For example, ...
https://dev.mysql.com/doc/refman/8.0/en/compatibility.html
MySQL Server was originally designed to work with medium-sized databases (10-100 million rows, or about 100MB per table) on small computer systems. This section describes how MySQL relates to the ANSI/ISO SQL standards. MySQL Server has many ...
https://dev.mysql.com/doc/refman/8.0/en/connecting-using-uri-or-key-value-pairs.html
This section describes use of URI-like connection strings or key-value pairs to specify how to establish connections to the MySQL server, for clients such as MySQL Shell. For information on establishing connections using command-line options, for ...For additional information if you are unable to connect, see Section 8.2.22, “Troubleshooting Problems Connecting to ...
https://dev.mysql.com/doc/refman/8.0/en/constraint-primary-key.html
Normally, errors occur for data-change statements (such as INSERT or UPDATE) that would violate primary-key, unique-key, or foreign-key constraints. If you are using a transactional storage engine such as InnoDB, MySQL automatically rolls back the ...
https://dev.mysql.com/doc/refman/8.0/en/custom-benchmarks.html
Even if the overall performance for your application currently is acceptable, you should at least make a plan for each bottleneck and decide how to solve it if someday you really need the extra performance. In most cases, performance problems turn ... Benchmark your application and database to find out where the bottlenecks ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-components.html
MySQL Enterprise Data Masking and De-Identification implements these elements: A table in the mysql system database for persistent storage of dictionaries and terms. A component named component_masking that implements masking functionality and ...