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https://dev.mysql.com/doc/refman/8.0/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Do not output explicit error ...Note It is possible to obtain XML-formatted output from MySQL in the mysql and mysqldump clients by invoking them with the --xml ...
https://dev.mysql.com/doc/refman/8.0/en/cannot-roll-back.html
In general, these include data definition language (DDL) statements, such as those that create or drop databases, those that create, drop, or alter tables or stored routines. If you issue a statement early in a transaction that cannot be rolled ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-frequently-asked-questions.html
This limit has been identified from testing and benchmarking as a safe boundary where the group performs reliably on a stable local area network. Alternatively, from MySQL 8.0.21, you can specify them on the START GROUP_REPLICATION statement each ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-performance.html
If necessary, you can employ USE INDEX or FORCE INDEX to alter the execution plan. Unique hash indexes created with USING HASH cannot be used for accessing a table if NULL is given as part of the key. The following performance issues are specific ...
https://dev.mysql.com/doc/refman/8.0/en/show-create-event.html
For example (using the same event e_daily defined and then altered in Section 15.7.7.18, “SHOW EVENTS Statement”): mysql> SHOW CREATE EVENT myschema.e_daily\G *************************** 1. SHOW CREATE EVENT event_name This statement displays ...
https://dev.mysql.com/doc/refman/8.0/en/docker-mysql-more-topics.html
Oracle does not provide support for MySQL products running in such an altered container, or a container created from an altered Docker image. As an alternative to specifying the password explicitly, you can set the variable with a container file ...
https://dev.mysql.com/doc/refman/8.0/en/events-syntax.html
The definition of an existing event can be changed by means of the ALTER EVENT statement. MySQL provides several SQL statements for working with scheduled events: New events are defined using the CREATE EVENT statement. When a scheduled event is no ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-documents-find.html
mysql-js> db.countryinfo.find("GNP > 5000000").fields(["GNP", "Name"]) [ { "GNP": 8510700, "Name": "United States" } ] 1 document in set (0.00 sec) In addition, you can alter the returned documents—adding, renaming, nesting and even computing new ... You can use the find() method to query for and return documents from a collection in a ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-documents-find.html
mysql-py> db.countryinfo.find("GNP > 5000000").fields(["GNP", "Name"]) [ { "GNP": 8510700, "Name": "United States" } ] 1 document in set (0.00 sec) In addition, you can alter the returned documents—adding, renaming, nesting and even computing new ... You can use the find() method to query for and return documents from a collection in a ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-current-user.html
In some cases, such as statements that change passwords, the function reference is expanded before it is written to the binary log, so that the statement includes the user name. For all other cases, the name of the current user on the source is ...