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https://dev.mysql.com/doc/refman/8.4/en/time.html
In particular, any fractional part in a value inserted into a TIME column is stored rather than discarded. MySQL retrieves and displays TIME values in 'hh:mm:ss' format (or 'hhh:mm:ss' format for large hours values). The hours part may be so large ...
https://dev.mysql.com/doc/refman/8.4/en/two-digit-years.html
For YEAR, the rules are the same, with this exception: A numeric 00 inserted into YEAR results in 0000 rather than 2000. Date values with 2-digit years are ambiguous because the century is unknown. Such values must be interpreted into 4-digit form ...
https://dev.mysql.com/doc/refman/8.4/en/type-conversion.html
When an operator is used with operands of different types, type conversion occurs to make the operands compatible. For example, MySQL automatically converts strings to numbers as necessary, and vice versa. mysql> SELECT 1+'1'; -> 2 mysql> SELECT ...
https://dev.mysql.com/doc/refman/8.4/en/update.html
Note Unlike the case when using PARTITION with an INSERT or REPLACE statement, an otherwise valid UPDATE ... UPDATE is a DML statement that modifies rows in a table. An UPDATE statement can start with a WITH clause to define common table ...
https://dev.mysql.com/doc/refman/8.4/en/using-explain.html
The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. When EXPLAIN is used with an explainable statement, MySQL displays information from the ...
https://dev.mysql.com/doc/refman/8.4/en/using-mysqldump.html
This output consists of CREATE statements to create dumped objects (databases, tables, stored routines, and so forth), and INSERT statements to load data into tables. Tip Consider using the MySQL Shell dump utilities, which provide parallel dumping ...
https://dev.mysql.com/doc/refman/8.4/en/view-restrictions.html
The maximum number of tables that can be referenced in the definition of a view is 61. View processing is not optimized: It is not possible to create an index on a view. Indexes can be used for views processed using the merge algorithm. However, a ...
https://dev.mysql.com/doc/refman/8.4/en/view-syntax.html
The CREATE VIEW statement creates a new view (see Section 15.1.23, “CREATE VIEW Statement”). To alter the definition of a view or drop a view, use ALTER VIEW (see Section 15.1.11, “ALTER VIEW Statement”), or DROP VIEW (see Section 15.1.35, ...
https://dev.mysql.com/doc/refman/8.4/en/workbench.html
The Table Editor provides easy-to-use facilities for editing Tables, Columns, Indexes, Triggers, Partitioning, Options, Inserts and Privileges, Routines and Views. MySQL Workbench provides a graphical tool for working with MySQL servers and ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-status-variables.html
Mysqlx_aborted_clients The number of clients that were disconnected because of an input or output error. Mysqlx_address The network address or addresses for which X Plugin accepts TCP/IP connections. If multiple addresses were specified using the ...