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https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary.html
These views summarize statement activity, file I/O, and connections, grouped by user. The user_summary and x$user_summary views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table ...
https://dev.mysql.com/doc/refman/8.0/en/truncate-table.html
Logically, TRUNCATE TABLE is similar to a DELETE statement that deletes all rows, or a sequence of DROP TABLE and CREATE TABLE statements. To achieve high performance, TRUNCATE TABLE bypasses the DML method of deleting data. Thus, it does not cause ...
https://dev.mysql.com/doc/refman/8.0/en/values.html
VALUES is a DML statement introduced in MySQL 8.0.19 which returns a set of one or more rows as a table. In other words, it is a table value constructor which also functions as a standalone SQL statement. VALUES row_constructor_list [ORDER BY ...
https://dev.mysql.com/doc/refman/8.0/en/window-functions-usage.html
However, whereas an aggregate operation groups query rows into a single result row, a window function produces a result for each query row: The row for which function evaluation occurs is called the current row. The query rows related to the current ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-checking-installation.html
X Plugin is enabled by default in MySQL 8, therefore installing or upgrading to MySQL 8 makes the plugin available. You can verify X Plugin is installed on an instance of MySQL server by using the SHOW plugins statement to view the plugins list. | ...