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https://dev.mysql.com/doc/refman/8.0/en/json-attribute-functions.html
The functions in this section return attributes of JSON values. An error occurs if the argument is not a valid JSON document. An empty array, empty object, or scalar value has depth 1. A nonempty array containing only elements of depth 1 or ...
https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html
An error occurs if the value starts and ends with double quotes but is not a valid JSON string literal. The functions in this section modify JSON values and return the result. JSON_ARRAY_APPEND(json_doc, path, val[, path, val] ...) Appends values ...
https://dev.mysql.com/doc/refman/8.0/en/ldap-pluggable-authentication.html
To quote a group or user name that contains special characters such as space, surround it by double quote (") characters. This is useful particularly to include a literal double quote or backslash, which are otherwise not included literally. Note ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-api-definition.html
The timeout is applied with approximately 100 ms resolution, starting with a 100 ms delay; for each subsequent attempt, the length of this period is doubled until it reaches ConnectBackoffMaxTime milliseconds, up to a maximum of 100000 ms (100s).
https://dev.mysql.com/doc/refman/8.0/en/no-matching-rows.html
If you are comparing FLOAT or DOUBLE columns with numbers that have decimals, you cannot use equality (=) comparisons. In some cases, changing the FLOAT to a DOUBLE fixes this. If you have a complicated query that uses many tables but that returns ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-type-attributes.html
As of MySQL 8.0.17, the UNSIGNED attribute is deprecated for columns of type FLOAT, DOUBLE, and DECIMAL (and any synonyms) and you should expect support for it to be removed in a future version of MySQL. As of MySQL 8.0.17, AUTO_INCREMENT support is ... MySQL supports an extension for optionally specifying the display width of integer data types in parentheses following the base keyword for the ...
https://dev.mysql.com/doc/refman/8.0/en/other-vendor-data-types.html
To facilitate the use of code written for SQL implementations from other vendors, MySQL maps data types as shown in the following table. These mappings make it easier to import table definitions from other database systems into MySQL. If you create ...
https://dev.mysql.com/doc/refman/8.0/en/prepare.html
If an arithmetic operator has no type-determining context, the derived type for any parameters involved is DOUBLE PRECISION. The derived type is DOUBLE and the actual type is any numeric type. PREPARE stmt_name FROM preparable_stmt The PREPARE ...
https://dev.mysql.com/doc/refman/8.0/en/regexp.html
If you want your expr or pat argument to contain a literal \, you must double it. For ICU, you can use \b to match word boundaries; double the backslash because MySQL interprets it as the escape character within strings. This section discusses the ...
https://dev.mysql.com/doc/refman/8.0/en/show-create-view.html
For example, you might use the ANSI SQL mode to ensure MySQL correctly interprets the standard SQL concatenation operator, the double bar (||), in your queries. SHOW CREATE VIEW view_name This statement shows the CREATE VIEW statement that creates ...