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https://dev.mysql.com/doc/refman/8.0/en/resource-groups.html
Initially, the RESOURCE_GROUPS table has these rows describing the default groups: mysql> SELECT * FROM INFORMATION_SCHEMA.RESOURCE_GROUPS\G *************************** 1. row *************************** RESOURCE_GROUP_NAME: USR_default ... MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/reusing-ssl-sessions.html
As of MySQL 8.0.29, MySQL client programs may elect to resume a prior SSL session, provided that the server has the session in its runtime cache. This section describes the conditions that are favorable for SSL session reuse, the server variables ...
https://dev.mysql.com/doc/refman/8.0/en/savepoint.html
Modifications that the current transaction made to rows after the savepoint was set are undone in the rollback, but InnoDB does not release the row locks that were stored in memory after the savepoint. (For a new inserted row, the lock information ... SAVEPOINT identifier ROLLBACK [WORK] TO [SAVEPOINT] identifier RELEASE SAVEPOINT identifier InnoDB supports the SQL statements SAVEPOINT, ROLLBACK TO SAVEPOINT, RELEASE SAVEPOINT and the optional WORK keyword for ...
https://dev.mysql.com/doc/refman/8.0/en/show-create-view.html
row *************************** View: v Create View: CREATE ALGORITHM=UNDEFINED DEFINER=`bob`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select 1 AS `a`,2 AS `b` character_set_client: utf8mb4 collation_connection: utf8mb4_0900_ai_ci ... SHOW ...
https://dev.mysql.com/doc/refman/8.0/en/show-privileges.html
row *************************** Privilege: Alter Context: Tables Comment: To alter the table *************************** 2. row *************************** Privilege: Alter routine Context: Functions,Procedures Comment: To alter or drop stored ...
https://dev.mysql.com/doc/refman/8.0/en/show-triggers.html
The WHERE clause can be given to select rows using more general conditions, as discussed in Section 28.8, “Extensions to SHOW Statements”. row *************************** Trigger: ins_sum Event: INSERT Table: account Statement: SET @sum = @sum + ... SHOW TRIGGERS [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TRIGGERS lists the triggers currently defined for tables in a database (the default database unless a FROM clause is ...
https://dev.mysql.com/doc/refman/8.0/en/stored-programs-defining.html
Each stored program contains a body that consists of an SQL statement. This statement may be a compound statement made up of several statements separated by semicolon (;) characters. For example, the following stored procedure has a body made up of ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-statement-latency.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. rows_sent The total number of rows returned by statements for the host. The ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-statement-type.html
By default, rows are sorted by host and descending total latency. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. rows_sent ... These views summarize information about statements executed, grouped by host and statement ...
https://dev.mysql.com/doc/refman/8.0/en/sys-innodb-lock-waits.html
These views summarize the InnoDB locks that transactions are waiting for. The innodb_lock_waits and x$innodb_lock_waits views have these columns: wait_started The time at which the lock wait started. wait_age How long the lock has been waited for, ...