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https://dev.mysql.com/doc/refman/8.0/en/stored-program-variables.html
System variables and user-defined variables can be used in stored programs, just as they can be used outside stored-program context. In addition, stored programs can use DECLARE to define local variables, and stored routines (procedures and ...To ...
https://dev.mysql.com/doc/refman/8.0/en/temporary-files.html
On Windows, MySQL checks in order the values of the TMPDIR, TEMP, and TMP environment variables. For the first one found to be set, MySQL uses it and does not check those remaining. Paths should be separated by colon characters (:) on Unix and ...
https://dev.mysql.com/doc/refman/8.0/en/thread-pool-installation.html
For general information about installing plugins, see Section 7.6.1, “Installing and Uninstalling Plugins”. The file name suffix differs per platform (for example, .so for Unix and Unix-like systems, .dll for Windows). Thread Pool Installation ... This section describes how to install MySQL Enterprise Thread ...
https://dev.mysql.com/doc/refman/8.0/en/using-mysqldump.html
Tip Consider using the MySQL Shell dump utilities, which provide parallel dumping with multiple threads, file compression, and progress information display, as well as cloud features such as Oracle Cloud Infrastructure Object Storage streaming, and ...Dumps can be easily imported into a MySQL Server instance or a MySQL HeatWave DB System using the MySQL Shell load dump ...
https://dev.mysql.com/doc/refman/8.0/en/multiple-tables.html
Given these considerations, the CREATE TABLE statement for the event table might look like this: mysql> CREATE TABLE event (name VARCHAR(20), date DATE, type VARCHAR(15), remark VARCHAR(255)); As with the pet table, it is easiest to load the initial ... The pet table keeps track of which pets you ...
https://dev.mysql.com/doc/refman/8.0/en/sys-io-global-by-wait-by-bytes.html
These views summarize global I/O consumers to display amount of I/O and time waiting for I/O, grouped by event. By default, rows are sorted by descending total I/O (bytes read and written). The io_global_by_wait_by_bytes and ...avg_read The average ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-statement-type.html
These views summarize information about statements executed, grouped by host and statement type. By default, rows are sorted by host and descending total latency. The host_summary_by_statement_type and x$host_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary-by-statement-type.html
These views summarize information about statements executed, grouped by user and statement type. By default, rows are sorted by user and descending total latency. The user_summary_by_statement_type and x$user_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/8.0/en/replication-threads-monitor-worker.html
The message lists the following statistics for the relevant replication channel, or the default replication channel (which is not named): Seconds elapsed The difference in seconds between the current time and the last time this information was ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-file-io-type.html
These views summarize file I/O, grouped by host and event type. By default, rows are sorted by host and descending total I/O latency. The host_summary_by_file_io_type and x$host_summary_by_file_io_type views have these columns: host The host from ...total The total number of occurrences of the file I/O event for the ...