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https://dev.mysql.com/doc/refman/9.7/en/blob.html
This means that, if the index requires unique values, duplicate-key errors 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 maximum ...
https://dev.mysql.com/doc/refman/9.7/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/9.7/en/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 the ...
https://dev.mysql.com/doc/refman/9.7/en/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 results in a ... The ...
https://dev.mysql.com/doc/refman/9.7/en/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 12.12, “Setting the Error Message Language”. For ...
https://dev.mysql.com/doc/refman/9.7/en/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 ...
https://dev.mysql.com/doc/refman/9.7/en/create-logfile-group.html
This means that each Disk Data object must be uniquely named (and not merely each Disk Data object of a given type). CREATE LOGFILE GROUP logfile_group ADD UNDOFILE 'undo_file' [INITIAL_SIZE [=] initial_size] [UNDO_BUFFER_SIZE [=] undo_buffer_size] ...
https://dev.mysql.com/doc/refman/9.7/en/create-masking-policy.html
A masking policy consists of the following: A policy name: Policy name must be unique. CREATE MASKING POLICY [IF NOT EXISTS] policy_name (policy_argument) CASE WHEN current_role_or_user_in THEN policy_argument ELSE masking_expr(policy_argument) ...
https://dev.mysql.com/doc/refman/9.7/en/create-server.html
CREATE SERVER server_name FOREIGN DATA WRAPPER wrapper_name OPTIONS (option [, option] ...) option: { HOST character-literal | DATABASE character-literal | USER character-literal | PASSWORD character-literal | SOCKET character-literal | OWNER ...
https://dev.mysql.com/doc/refman/9.7/en/create-table-generated-columns.html
Generated column definitions have this syntax: col_name data_type [GENERATED ALWAYS] AS (expr) [VIRTUAL | STORED] [NOT NULL | NULL] [UNIQUE [KEY]] [[PRIMARY] KEY] [COMMENT 'string'] AS (expr) indicates that the column is generated and defines the ...