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https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-enable-consumer.html
Enables Performance Schema consumers with names that contain the argument. Parameters consumer VARCHAR(128): The value used to match consumer names, which are identified by using %consumer% as an operand for a LIKE pattern match. Example Enable all ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-enable-instrument.html
Enables Performance Schema instruments with names that contain the argument. Parameters in_pattern VARCHAR(128): The value used to match instrument names, which are identified by using %in_pattern% as an operand for a LIKE pattern match. Example ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-enable-thread.html
Given a connection ID, enables Performance Schema instrumentation for the thread. This is a value of the type given in the PROCESSLIST_ID column of the Performance Schema threads table or the Id column of SHOW PROCESSLIST output. Example Enable a ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-reload-saved.html
Reloads a Performance Schema configuration saved earlier within the same session using ps_setup_save(). That is a restricted operation, so the procedure requires privileges sufficient to set restricted session variables. This procedure disables ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-save.html
This enables you to alter the configuration temporarily for debugging or other purposes, then restore it to the previous state by invoking the ps_setup_reload_saved() procedure. To prevent other simultaneous calls to save the configuration, ...This ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-thread-stack.html
row *************************** thread_stack: {"rankdir": "LR","nodesep": "0.10", "stack_created": "2014-02-19 13:39:03", "mysql_version": "5.7.3-m13", "mysql_user": "root@localhost","events": [{"nesting_event_id": "0", "event_id": "10", ... Returns ...
https://dev.mysql.com/doc/refman/5.7/en/while.html
For the rules regarding label use, see Section 13.6.2, “Statement Labels”. [begin_label:] WHILE search_condition DO statement_list END WHILE [end_label] The statement list within a WHILE statement is repeated as long as the search_condition ...
https://dev.mysql.com/doc/refman/5.7/en/account-management-statements.html
MySQL account information is stored in the tables of the mysql system database. This database and the access control system are discussed extensively in Chapter 5, MySQL Server Administration, which you should consult for additional details. This ...Important Some MySQL releases introduce changes to the grant tables to add new privileges or ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-c-api.html
It is also itself used as the foundation for drivers for standard database APIs like ODBC, Perl's DBI, and Python's DB API. What is “MySQL Native C API”? What are typical benefits and use cases? libmysql is a C-based API that you can use in C ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-triggers.html
You can obtain a listing of all triggers defined on database dbname using a query on the INFORMATION_SCHEMA.TRIGGERS table such as the one shown here: SELECT TRIGGER_NAME, EVENT_MANIPULATION, EVENT_OBJECT_TABLE, ACTION_STATEMENT FROM ...Where can I ...Can a table have multiple triggers with the same trigger event and action time? ...