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https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-rbr-monitoring.html
When these Performance Schema instrument stages are enabled the events_stages_current table shows stages for applier threads and their progress. For background information, see Section 29.12.5, “Performance Schema Stage Event Tables”. The ...
https://dev.mysql.com/doc/refman/8.4/en/reset-persist.html
RESET PERSIST affects the contents of the Performance Schema persisted_variables table because the table contents correspond to the contents of the mysqld-auto.cnf file. On the other hand, because RESET PERSIST does not change variable values, it ...
https://dev.mysql.com/doc/refman/8.4/en/reusing-ssl-sessions.html
By extracting a session ticket from an established session and then submitting that ticket while establishing the next connection, the overall cost is reduced if the session can be reused. The following table shows the system variables that define ... MySQL client programs may elect to resume a prior SSL session, provided that the server has the session in its runtime ...
https://dev.mysql.com/doc/refman/8.4/en/row-subqueries.html
Scalar or column subqueries return a single value or a column of values. A row subquery is a subquery variant that returns a single row and can thus return more than one column value. If this row has col3 and col4 values equal to the col1 and col2 ...
https://dev.mysql.com/doc/refman/8.4/en/security-options.html
The following table shows mysqld options and system variables that affect security. For descriptions of each of these, see Section 7.1.7, “Server Command Options”, and Section 7.1.8, “Server System Variables”.
https://dev.mysql.com/doc/refman/8.4/en/selecting-rows.html
As shown in the preceding section, it is easy to retrieve an entire table. But typically you don't want to see the entire table, particularly when it becomes large. Instead, you're usually more interested in answering a particular question, in ...
https://dev.mysql.com/doc/refman/8.4/en/show-create-trigger.html
This statement requires the TRIGGER privilege for the table associated with the trigger. row *************************** Trigger: ins_sum sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES, NO_ZERO_IN_DATE,NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, ...
https://dev.mysql.com/doc/refman/8.4/en/show-databases.html
Caution Because any static global privilege is considered a privilege for all databases, any static global privilege enables a user to see all database names with SHOW DATABASES or by examining the SCHEMATA table of INFORMATION_SCHEMA, except ...
https://dev.mysql.com/doc/refman/8.4/en/show-events.html
SHOW EVENTS [{FROM | IN} schema_name] [LIKE 'pattern' | WHERE expr] This statement displays information about Event Manager events, which are discussed in Section 27.4, “Using the Event Scheduler”. It requires the EVENT privilege for the ...
https://dev.mysql.com/doc/refman/8.4/en/show-procedure-status.html
Stored routine information is also available from the INFORMATION_SCHEMA PARAMETERS and ROUTINES tables. See Section 28.3.20, “The INFORMATION_SCHEMA PARAMETERS Table”, and Section 28.3.30, “The INFORMATION_SCHEMA ROUTINES Table”. SHOW ...