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https://dev.mysql.com/doc/refman/8.0/en/comments.html
From a /* sequence to the following */ sequence, as in the C programming language. This syntax enables a comment to extend over multiple lines because the beginning and closing sequences need not be on the same line. Hint comments include a + ...
https://dev.mysql.com/doc/refman/8.0/en/error-log-configuration.html
This configuration method has the following advantages: Log components are loaded early in the startup sequence, before the InnoDB storage engine, making logged information available sooner. Logged information is buffered during the startup sequence ... In MySQL 8.0, error logging uses the MySQL component architecture described at Section 7.5, “MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/start-replica.html
For example, executing START REPLICA UNTIL SQL_AFTER_GTIDS = 3E11FA47-71CA-11E1-9E33-C80AA9429562:11-56 causes the replica to obtain (and process) all transactions from the source until all of the transactions having the sequence numbers 11 through ... START REPLICA [thread_types] [until_option] [connection_options] [channel_option] thread_types: [thread_type [, thread_type] ...
https://dev.mysql.com/doc/refman/8.0/en/data-directory-initialization.html
When invoked with the --initialize or --initialize-insecure option, mysqld performs the following actions during the data directory initialization sequence: The server checks for the existence of the data directory as follows: If no data directory ...Either create the account if it does not exist (see Create a mysql User and Group), or substitute the name of a different existing login account that you plan to use for running the ... After MySQL is installed, the data directory must be initialized, including the ...
https://dev.mysql.com/doc/refman/8.0/en/server-options.html
--initialize, -I Command-Line Format --initialize[={OFF|ON}] Type Boolean Default Value OFF This option is used to initialize a MySQL installation by creating the data directory and populating the tables in the mysql system schema. When you start ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-search-ngram.html
An ngram is a contiguous sequence of n characters from a given sequence of text. The ngram parser tokenizes a sequence of text into a contiguous sequence of n characters. Creating a FULLTEXT Index that Uses the ngram Parser To create a FULLTEXT ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-binary-log.html
The server creates binary log files in sequence by adding a numeric suffix to the base name. The binary log is a sequence of files with a base name and numeric extension. The --log-bin option value is the base name for the log sequence. For example, ... Startup Options Used with Binary Logging System Variables Used with Binary Logging You can use the mysqld options and system variables that are described in this section to affect the operation of the binary log as well as to control which statements are written to the binary ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-reference.html
Audit Log Functions This section describes, for each audit log function, its purpose, calling sequence, and return value. With an argument consisting of a JSON null value, audit_log_read() closes the current read sequence. If present, the argument ...Unless those objects are installed, the audit_log plugin operates in legacy mode (deprecated in MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/charset-literal.html
Example 1: mysql> SET NAMES latin1; mysql> SELECT HEX('à\n'), HEX(_sjis'à\n'); +------------+-----------------+ | HEX('à\n') | HEX(_sjis'à\n') | +------------+-----------------+ | E00A | E00A | +------------+-----------------+ Here, à ... Every ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html
The UTF-8 (Unicode Transformation Format with 8-bit units) method for encoding Unicode data is implemented according to RFC 3629, which describes encoding sequences that take from one to four bytes. The idea of UTF-8 is that various Unicode ... The ...