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https://dev.mysql.com/doc/refman/8.0/en/signal.html
Also, it provides control over the error's characteristics (error number, SQLSTATE value, message). It can be an SQLSTATE value (a 5-character string literal) or a condition_name that refers to a named condition previously defined with DECLARE ...
https://dev.mysql.com/doc/refman/8.0/en/silent-column-changes.html
Specifying the CHARACTER SET binary attribute for a character data type causes the column to be created as the corresponding binary data type: CHAR becomes BINARY, VARCHAR becomes VARBINARY, and TEXT becomes BLOB. In some cases, MySQL silently ...
https://dev.mysql.com/doc/refman/8.0/en/stored-programs-defining.html
This statement may be a compound statement made up of several statements separated by semicolon (;) characters. You should avoid the use of the backslash (\) character because that is the escape character for MySQL. Each stored program contains a ...
https://dev.mysql.com/doc/refman/8.0/en/type-conversion.html
mysql> SELECT 38.8, CAST(38.8 AS CHAR); -> 38.8, '38.8' mysql> SELECT 38.8, CONCAT(38.8); -> 38.8, '38.8' See later in this section for information about the character set of implicit number-to-string conversions, and for modified rules that apply ... When an operator is used with operands of different types, type conversion occurs to make the operands ...
https://dev.mysql.com/doc/refman/8.0/en/user-variables.html
User variables are written as @var_name, where the variable name var_name consists of alphanumeric characters, ., _, and $. A user variable name can contain other characters if you quote it as a string or identifier (for example, @'my-var', ... You ...
https://dev.mysql.com/doc/refman/8.0/en/components.html
MySQL Server includes a component-based infrastructure for extending server capabilities. A component provides services that are available to the server and other components. (With respect to service use, the server is a component, equal to other ...
https://dev.mysql.com/doc/refman/8.0/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. These options can be given on ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-table-import.html
The page size of the tablespace must match the page size of the destination MySQL server instance. If the table was created in an external directory by specifying the DATA DIRECTORY clause in the CREATE TABLE statement, the table that you replace on ... This section describes how to import tables using the Transportable Tablespaces feature, which permits importing tables, partitioned tables, or individual table partitions that reside in file-per-table ...
https://dev.mysql.com/doc/refman/8.0/en/installing.html
A summary of the procedure follows and later sections provide the details. If you plan to upgrade an existing version of MySQL to a newer version rather than install MySQL for the first time, see Chapter 3, Upgrading MySQL, for information about ...
https://dev.mysql.com/doc/refman/8.0/en/lock-order-tool.html
The MySQL server is a multithreaded application that uses numerous internal locking and lock-related primitives, such as mutexes, rwlocks (including prlocks and sxlocks), conditions, and files. Within the server, the set of lock-related objects ...