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https://dev.mysql.com/doc/refman/5.7/en/error-interfaces.html
Error messages can originate on the server side or the client side, and each error message includes an error code, SQLSTATE value, and message string, as described in Section B.1, “Error Message Sources and Elements”. For lists of server-side, ...
https://dev.mysql.com/doc/refman/5.7/en/keyring-options.html
MySQL supports the following keyring-related command-line options: --keyring-migration-destination=plugin Command-Line Format --keyring-migration-destination=plugin_name Introduced 5.7.21 Type String The destination keyring plugin for key migration. The format and interpretation of the option value is the same as described for the --keyring-migration-source ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-secure-installation.html
This program enables you to improve the security of your MySQL installation in the following ways: You can set a password for root accounts. You can remove root accounts that are accessible from outside the local host. You can remove the test ...
https://dev.mysql.com/doc/refman/5.7/en/adding-character-set.html
This section discusses the procedure for adding a character set to MySQL. The proper procedure depends on whether the character set is simple or complex: If the character set does not need special string collating routines for sorting and does not ...
https://dev.mysql.com/doc/refman/5.7/en/adding-collation.html
A collation is a set of rules that defines how to compare and sort character strings. Every character set has at least one collation, and most have two or more collations. Characters with equal weights compare as equal, and characters with unequal ...
https://dev.mysql.com/doc/refman/5.7/en/charset-general.html
A character set is a set of symbols and encodings. A collation is a set of rules for comparing characters in a character set. Let's make the distinction clear with an example of an imaginary character set. Suppose that we have an alphabet with four ...
https://dev.mysql.com/doc/refman/5.7/en/internal-temporary-tables.html
In some cases, the server creates internal temporary tables while processing statements. The server creates temporary tables under conditions such as these: Evaluation of UNION statements, with some exceptions described later. Evaluation of some ...
https://dev.mysql.com/doc/refman/5.7/en/key-space.html
You can roughly calculate the size for the index file as (key_length+4)/0.67, summed over all keys. This is for the worst case when all keys are inserted in sorted order and the table does not have any compressed keys. If the first index part is a ...
https://dev.mysql.com/doc/refman/5.7/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 12.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-install-db.html
Note mysql_install_db is deprecated as of MySQL 5.7.6 because its functionality has been integrated into mysqld, the MySQL server. To initialize a MySQL installation, invoke mysqld with the --initialize or --initialize-insecure option. You should ...