https://dev.mysql.com/binary-varbinary.html
For those cases where trailing pad bytes are stripped or comparisons ignore them, if a column has an index that requires unique values, inserting values into the column that differ only in number of trailing pad bytes results in a duplicate-key ...
https://dev.mysql.com/binlog-replication-configuration-overview.html
The master and each slave must be configured with a unique ID (using the server_id system variable). This section describes replication between MySQL servers based on the binary log file position method, where the MySQL instance operating as the ...
https://dev.mysql.com/blob.html
This means that, if the index requires unique values, duplicate-key errors will occur for values that differ only in the number of trailing spaces. A BLOB is a binary large object that can hold a variable amount of data. These differ only in the ...
https://dev.mysql.com/c-api-data-structures.html
This section describes C API data structures other than those used for prepared statements, the asychronous interface, or the replication stream interface. For information about those, see Section 28.6.8, “C API Prepared Statement Data ...
https://dev.mysql.com/channels-naming-conventions.html
Each replication channel has a unique name which is a string with a maximum length of 64 characters and is case-insensitive. This section describes how naming conventions are impacted by replication channels. Because channel names are used in slave ...
https://dev.mysql.com/char.html
For those cases where trailing pad characters are stripped or comparisons ignore them, if a column has an index that requires unique values, inserting into the column values that differ only in number of trailing pad characters will result in a ...
https://dev.mysql.com/charset-errors.html
This section describes how the MySQL server uses character sets for constructing error messages. For information about the language of error messages (rather than the character set), see Section 10.12, “Setting the Error Message Language”. For ...
https://dev.mysql.com/clone-progress-table.html
The clone_progress table has these columns: ID A unique cloning operation identifier in the current MySQL server instance. Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_progress table shows progress ...
https://dev.mysql.com/clone-status-table.html
The clone_status table has these columns: ID A unique cloning operation identifier in the current MySQL server instance. Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_status table shows the status of ...
https://dev.mysql.com/create-event.html
The minimum requirements for a valid CREATE EVENT statement are as follows: The keywords CREATE EVENT plus an event name, which uniquely identifies the event in a database schema. CREATE [DEFINER = user] EVENT [IF NOT EXISTS] event_name ON SCHEDULE ...