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https://dev.mysql.com/doc/refman/8.0/en/mysql-command-options.html
mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 6.2.2.2, “Using Option Files”.
https://dev.mysql.com/doc/refman/8.0/en/persisted-system-variables.html
The MySQL server maintains system variables that configure its operation. A system variable can have a global value that affects server operation as a whole, a session value that affects the current session, or both. Many system variables are ...
https://dev.mysql.com/doc/refman/8.0/en/with.html
A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and that can be referred to later within that statement, possibly multiple times. The following discussion describes how to write ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table.html
ALTER TABLE tbl_name [alter_option [, alter_option] ...] [partition_options] alter_option: { table_options | ADD [COLUMN] col_name column_definition [FIRST | AFTER col_name] | ADD [COLUMN] (col_name column_definition,...) | ADD {INDEX | KEY} ...
https://dev.mysql.com/doc/refman/8.0/en/charset-server.html
MySQL Server has a server character set and a server collation. By default, these are utf8mb4 and utf8mb4_0900_ai_ci, but they can be set explicitly at server startup on the command line or in an option file and changed at runtime. Initially, the ...
https://dev.mysql.com/doc/refman/8.0/en/json-utility-functions.html
This section documents utility functions that act on JSON values, or strings that can be parsed as JSON values. JSON_PRETTY() prints out a JSON value in a format that is easy to read. JSON_STORAGE_SIZE() and JSON_STORAGE_FREE() show, respectively, ...
https://dev.mysql.com/doc/refman/8.0/en/charset-column.html
Every “character” column (that is, a column of type CHAR, VARCHAR, a TEXT type, or any synonym) has a column character set and a column collation. CREATE TABLE t1 ( col1 CHAR(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ) CHARACTER SET ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb3.html
The utf8mb3 character set has these characteristics: Supports BMP characters only (no support for supplementary characters) Requires a maximum of three bytes per multibyte character. Applications that use UTF-8 data but require supplementary ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-row-format.html
The row format of a table determines how its rows are physically stored, which in turn can affect the performance of queries and DML operations. As more rows fit into a single disk page, queries and index lookups can work faster, less cache memory ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
This section summarizes what has been added to, deprecated in, and removed from MySQL 8.0. A companion section lists MySQL server options and variables that have been added, deprecated, or removed in MySQL 8.0; see Section 1.4, “Server and Status ...