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https://dev.mysql.com/doc/refman/5.7/en/server-shutdown.html
If a thread is updating a nontransactional table, an operation such as a multiple-row UPDATE or INSERT may leave the table partially updated because the operation can terminate before completion. The server shutdown process takes place as follows: ...
https://dev.mysql.com/doc/refman/5.7/en/show-create-event.html
SHOW CREATE EVENT event_name This statement displays the CREATE EVENT statement needed to re-create a given event. It requires the EVENT privilege for the database from which the event is to be shown. For example (using the same event e_daily ...
https://dev.mysql.com/doc/refman/5.7/en/show-create-trigger.html
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, NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION SQL Original Statement: CREATE ... SHOW CREATE ...
https://dev.mysql.com/doc/refman/5.7/en/show-grants.html
SHOW GRANTS [FOR user] This statement displays the privileges that are assigned to a MySQL user account, in the form of GRANT statements that must be executed to duplicate the privilege assignments. Note To display nonprivilege information for ...
https://dev.mysql.com/doc/refman/5.7/en/signal.html
SIGNAL provides error information to a handler, to an outer portion of the application, or to the client. Also, it provides control over the error's characteristics (error number, SQLSTATE value, message). Without SIGNAL, it is necessary to resort ...
https://dev.mysql.com/doc/refman/5.7/en/statement-caching.html
Table content changes (for example, with INSERT or UPDATE) do not change metadata, nor do SELECT statements. For certain statements that a client might execute multiple times during a session, the server converts the statement to an internal ...
https://dev.mysql.com/doc/refman/5.7/en/stored-objects.html
A trigger is activated when a particular event occurs for the table, such as an insert or update. This chapter discusses stored database objects that are defined in terms of SQL code that is stored on the server for later execution. Stored objects ...
https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html
For example, consider the following table and data: CREATE TABLE foo (bar VARCHAR(10)); INSERT INTO foo VALUES (NULL), (NULL); The query SELECT COUNT(*) FROM foo WHERE bar LIKE '%baz%'; returns 0. Table 12.13 String Comparison Functions and ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-reset-to-default.html
row *************************** status: Resetting: setup_actors INSERT IGNORE INTO performance_schema.setup_actors VALUES ('%', '%', '%') ... Parameters in_verbose BOOLEAN: Whether to display information about each setup stage during procedure ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.