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https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-replication.html
Because the daemon_memcached plugin supports the MySQL binary log, source server through the memcached interface can be replicated for backup, balancing intensive read workloads, and high availability. You do not need to set up the daemon_memcached ...
https://dev.mysql.com/doc/refman/8.0/en/myisamchk-repair-options.html
--correct-checksum Command-Line Format --correct-checksum Correct the checksum information for the table. --data-file-length=len, -D len Command-Line Format --data-file-length=len Type Numeric The maximum length of the data file (when re-creating ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlbinlog-row-events.html
The combination of --base64-output=DECODE-ROWS and --verbose provides a convenient way to see row events only as SQL statements: $> mysqlbinlog -v --base64-output=DECODE-ROWS log_file ... The following examples illustrate how mysqlbinlog displays ...
https://dev.mysql.com/doc/refman/8.0/en/signal.html
Some signal values cause statement termination; see Effect of Signals on Handlers, Cursors, and Statements. SIGNAL provides error information to a handler, to an outer portion of the application, or to the client. Also, it provides control over the ...
https://dev.mysql.com/doc/refman/8.0/en/silent-column-changes.html
In some cases, MySQL silently changes column specifications from those given in a CREATE TABLE or ALTER TABLE statement. These might be changes to a data type, to attributes associated with a data type, or to an index specification. All changes are ...
https://dev.mysql.com/doc/refman/8.0/en/stored-programs-defining.html
Each stored program contains a body that consists of an SQL statement. This statement may be a compound statement made up of several statements separated by semicolon (;) characters. For example, the following stored procedure has a body made up of ...
https://dev.mysql.com/doc/refman/8.0/en/type-conversion.html
When an operator is used with operands of different types, type conversion occurs to make the operands compatible. For example, MySQL automatically converts strings to numbers as necessary, and vice versa. mysql> SELECT 1+'1'; -> 2 mysql> SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/user-variables.html
You can store a value in a user-defined variable in one statement and refer to it later in another statement. This enables you to pass values from one statement to another. User variables are written as @var_name, where the variable name var_name ...
https://dev.mysql.com/doc/refman/8.0/en/charset-collation-effect.html
latin1_swedish_ci latin1_german1_ci latin1_german2_ci Muffler Muffler Müller MX Systems Müller Muffler Müller MX Systems MX Systems MySQL MySQL MySQL The character that causes the different sort orders in this example is ü (German ...
https://dev.mysql.com/doc/refman/8.0/en/comments.html
MySQL Server supports three comment styles: From a # character to the end of the line. In MySQL, the -- (double-dash) comment style requires the second dash to be followed by at least one whitespace or control character, such as a space or tab.