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https://dev.mysql.com/doc/refman/8.0/en/create-temporary-table.html
When innodb_strict_mode is enabled (the default), CREATE TEMPORARY TABLE returns an error if ROW_FORMAT=COMPRESSED or KEY_BLOCK_SIZE is specified. If innodb_strict_mode is disabled, warnings are issued and the temporary table is created using a ...
https://dev.mysql.com/doc/refman/8.0/en/creating-tables.html
Age changes as time passes, which means you'd have to update your records often. You want a table that contains a record for each of your pets. This can be called the pet table, and it should contain, as a bare minimum, each animal's name. Because ...
https://dev.mysql.com/doc/refman/8.0/en/cursors.html
Cursors have these properties: Asensitive: The server may or may not make a copy of its result table Read only: Not updatable Nonscrollable: Can be traversed only in one direction and cannot skip rows Cursor declarations must appear before handler ...
https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-information-schema.html
To update cached values at any time for a given table, use ANALYZE TABLE information_schema_stats_expiry can be set to 0 to have INFORMATION_SCHEMA queries retrieve the latest statistics directly from the storage engine, which is not as fast as ...
https://dev.mysql.com/doc/refman/8.0/en/docker-mysql-getting-started.html
Subscriptions work by a Bring Your Own License model; see How to Buy MySQL Products and Services for details. Warning The MySQL Docker images maintained by the MySQL team are built specifically for Linux platforms. Other platforms are not ...
https://dev.mysql.com/doc/refman/8.0/en/estimating-performance.html
For writes, however, you need four seek requests to find where to place a new index value and normally two seeks to update the index and write the row. In most cases, you can estimate query performance by counting disk seeks. For small tables, you ...
https://dev.mysql.com/doc/refman/8.0/en/events-configuration.html
Events are executed by a special event scheduler thread; when we refer to the Event Scheduler, we actually refer to this thread. When running, the event scheduler thread and its current state can be seen by users having the PROCESS privilege in the ...
https://dev.mysql.com/doc/refman/8.0/en/features.html
Support for DELETE, INSERT, REPLACE, and UPDATE to return the number of rows that were changed (affected), or to return the number of rows matched instead by setting a flag when connecting to the server. This section describes some of the important ...
https://dev.mysql.com/doc/refman/8.0/en/federated-create-connection.html
This user must have been created on the remote server, and must have suitable privileges to perform the required actions (SELECT, INSERT, UPDATE, and so forth) on the remote table. To use the first method, you must specify the CONNECTION string ...
https://dev.mysql.com/doc/refman/8.0/en/federated-create-server.html
The CREATE SERVER statement updates the rows in the mysql.servers table. If you are creating a number of FEDERATED tables on the same server, or if you want to simplify the process of creating FEDERATED tables, you can use the CREATE SERVER ...