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https://dev.mysql.com/doc/refman/8.0/en/storage-engines-other.html
Other storage engines may be available from third parties and community members that have used the Custom Storage Engine interface. For further information, documentation, installation guides, bug reporting or for any help or assistance with these ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engines.html
Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and most general-purpose storage engine, and Oracle recommends using it for tables except for specialized use cases. (The CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/stored-objects.html
A procedure does not have a return value but can modify its parameters for later inspection by the caller. This chapter discusses stored database objects that are defined in terms of SQL code that is stored on the server for later execution. Stored ...
https://dev.mysql.com/doc/refman/8.0/en/stored-routines-privileges.html
Also, the default SQL SECURITY characteristic for a routine is DEFINER, which enables users who have access to the database with which the routine is associated to execute the routine. The MySQL grant system takes stored routines into account as ...
https://dev.mysql.com/doc/refman/8.0/en/subquery-materialization.html
The optimizer uses materialization to enable more efficient subquery processing. Materialization speeds up query execution by generating a subquery result as a temporary table, normally in memory. The first time MySQL needs the subquery result, it ...
https://dev.mysql.com/doc/refman/8.0/en/subquery-restrictions.html
FROM t...) AS dt ...); Here the result from the derived table is materialized as a temporary table, so the relevant rows in t have already been selected by the time the update to t takes place. In general, you cannot modify a table and select from ...
https://dev.mysql.com/doc/refman/8.0/en/symbolic-links-to-databases.html
Move the database directory to some disk where you have free space. On Unix, symlink a database using this procedure: Create the database using CREATE DATABASE: mysql> CREATE DATABASE mydb1; Using CREATE DATABASE creates the database in the MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-file-io-type.html
The host_summary_by_file_io_type and x$host_summary_by_file_io_type views have these columns: host The host from which the client connected. These views summarize file I/O, grouped by host and event type. By default, rows are sorted by host and ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-file-io.html
The host_summary_by_file_io and x$host_summary_by_file_io views have these columns: host The host from which the client connected. By default, rows are sorted by descending total file I/O latency. Rows for which the HOST column in the underlying ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-stages.html
The host_summary_by_stages and x$host_summary_by_stages views have these columns: host The host from which the client connected. By default, rows are sorted by host and descending total latency. Rows for which the HOST column in the underlying ...