Search Results
https://dev.mysql.com/doc/internals/en/innodb-fil-trailer.html
The Fil Trailer has one part, as follows: Name Size Remarks FIL_PAGE_END_LSN 8 low 4 bytes = checksum of page, last 4 bytes = same as FIL_PAGE_LSN The final part of a page, the fil trailer (or File Page Trailer), exists because InnoDB's architect ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-adding-instances.html
It is now time to expand the group by adding the other two servers configured previously. 20.2.1.6.1 Adding a Second Instance In order to add a second instance, server s2, first create the configuration file for it. In other words, the transactions ... At this point, the group has one member in it, server s1, which has some data in ...
https://dev.mysql.com/doc/refman/8.4/en/upgrading-what-is-upgraded.html
If the data dictionary is out of date but the server is prevented from upgrading it, the server does not run, and exits with an error instead. For example: [ERROR] [MY-013381] [Server] Server shutting down because upgrade is required, yet prohibited ... Installing a new version of MySQL may require upgrading these parts of the existing installation: The mysql system schema, which contains tables that store information required by the MySQL server as it runs (see Section 7.3, “The mysql System ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-create-temp-table.html
However, it significantly reduces query execution time—from 4.8 seconds to just 0.35 seconds. Before You Begin Create a MySQL HeatWave Temporary Table Comparing Query Execution Times What's Next Before You Begin To create a MySQL HeatWave ...Refer ... As of MySQL 9.3.0, you can create temporary tables that are stored in the MySQL HeatWave ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-move-data.html
--connect-retry-delay Command-Line Format --connect-retry-delay=# Type Integer Default Value 5 Minimum Value 0 Maximum Value 5 Number of seconds to wait between attempts to contact management server. --connect-retries Command-Line Format ...Usage ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cpudata.html
The cpudata table provides data about CPU usage during the last second.
https://dev.mysql.com/doc/refman/8.4/en/innodb-tablespace-autoextend-size.html
By default, when a file-per-table or general tablespace requires additional space, the tablespace is extended incrementally according to the following rules: If the tablespace is less than an extent in size, it is extended one page at a time. If ...
https://dev.mysql.com/doc/connectors/en/connector-python-django-backend.html
For more information about fractional seconds support, see Fractional Seconds in Time Values. This back end supports new features found as of MySQL 5.6 such as fractional seconds support for temporal data types. For example, support for fractional ... Connector/Python includes a mysql.connector.django module that provides a Django back end for ...
https://dev.mysql.com/doc/connector-python/en/connector-python-django-backend.html
For more information about fractional seconds support, see Fractional Seconds in Time Values. This back end supports new features found as of MySQL 5.6 such as fractional seconds support for temporal data types. For example, support for fractional ... Connector/Python includes a mysql.connector.django module that provides a Django back end for ...
https://dev.mysql.com/doc/x-devapi-userguide/en/dynamic-sql.html
A quoting function exists to escape SQL names and identifiers. Session.quoteName() escapes the identifier given in accordance to the settings of the current connection. Note The quoting function must not be used to escape values. Use the value ...