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https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure-exit.html
The group_replication_exit_state_action system variable, which is available from MySQL 8.0.12 and MySQL 5.7.24, specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to ...Note that in the case of an expelled member, the member does not know that it was expelled until it reconnects to the group, so the specified action is only taken if the member manages to reconnect, or if the member raises a suspicion on itself and expels ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-syntax.html
Some SQL statements relating to certain MySQL features produce errors when used with NDB tables, as described in the following list: Temporary tables. Trying either to create a temporary table that uses the NDB storage engine or to alter an ...Keys ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlpump.html
If --add-drop-database is used with --all-databases or with --databases where the list of schemas to be dumped includes mysql, the dump file contains a DROP DATABASE `mysql` statement that causes an error when the dump file is reloaded. If the file ... mysqlpump Invocation Syntax mysqlpump Option Summary mysqlpump Option Descriptions mysqlpump Object Selection mysqlpump Parallel Processing mysqlpump Restrictions The mysqlpump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-statements-current-table.html
SOURCE The name of the source file containing the instrumented code that produced the event and the line number in the file at which the instrumentation occurs. This enables you to check the source to determine exactly what code is involved. The ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-ucs2.html
In UCS-2, every character is represented by a 2-byte Unicode code with the most significant byte first. For example: LATIN CAPITAL LETTER A has the code 0x0041 and it is stored as a 2-byte sequence: 0x00 0x41. CYRILLIC SMALL LETTER YERU (Unicode ...
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.
https://dev.mysql.com/doc/refman/8.0/en/create-table-secondary-indexes.html
row *************************** Level: Note Code: 1003 Message: /* select#1 */ select json_unquote(json_extract(`test`.`jempn`.`c`,'$.name')) AS `name` from `test`.`jempn` where (`test`.`jempn`.`g` > 2) 1 row in set (0.00 sec) You should keep in ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-replication.html
What should I do to prepare client code in my own applications to use performance-enhancing replication? A.14.8. This means that you should not chain two servers together in a two-way replication relationship unless you are sure that your updates ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-documents-modify.html
mysql-js> db.countryinfo.modify("Code = 'SEA'").set( "demographics", {"LifeExpectancy": 78, "Population": 28}) After you modify a document, use the find() method to verify the change. You can use the modify() method to update one or more documents ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-documents-modify.html
mysql-py> db.countryinfo.modify("Code = 'SEA'").set( "demographics", {"LifeExpectancy": 78, "Population": 28}) After you modify a document, use the find() method to verify the change. You can use the modify() method to update one or more documents ...