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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-restore.html
It can contain any of the ASCII characters having character codes 32, 35, 38, 40-91, 93, 95, and 97-126; in other words, it can use any printable ASCII characters except for !, ', ", $, %, \, and ^. --core-file Command-Line Format --core-file Write ... The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
row *************************** Level: Warning Code: 1411 Message: Incorrect datetime value: '00/00/0000' for function str_to_date Prior to MySQL 8.0.35, it was possible to pass an invalid date string such as '2021-11-31' to this function. In MySQL ... This section describes the functions that can be used to manipulate temporal ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-ucs2.html
In UCS-2, every character is represented by a 2-byte Unicode code with the most significant byte first. For example: LATIN CAPITAL LETTER A has the code 0x0041 and it is stored as a 2-byte sequence: 0x00 0x41. CYRILLIC SMALL LETTER YERU (Unicode ...
https://dev.mysql.com/doc/refman/8.0/en/comments.html
MySQL Server supports three comment styles: From a # character to the end of the line. In MySQL, the -- (double-dash) comment style requires the second dash to be followed by at least one whitespace or control character, such as a space or tab.
https://dev.mysql.com/doc/refman/8.0/en/create-table-secondary-indexes.html
row *************************** Level: Note Code: 1003 Message: /* select#1 */ select json_unquote(json_extract(`test`.`jempn`.`c`,'$.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 ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-and-plugins.html
Removing a plugin with UNINSTALL PLUGIN does not affect information already collected for code in that plugin. Time spent executing the code while the plugin was loaded was still spent even if the plugin is unloaded later. A plugin implementor who ...The associated event information, including aggregate information, remains readable in performance_schema database ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-waits-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. If the ...The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system variable for configuring the table ...