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https://dev.mysql.com/doc/refman/8.0/en/trigger-syntax.html
To create a trigger or drop a trigger, use the CREATE TRIGGER or DROP TRIGGER statement, described in Section 15.1.22, “CREATE TRIGGER Statement”, and Section 15.1.34, “DROP TRIGGER Statement”. Here is a simple example that associates a ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html
Before upgrading to MySQL 8.0, review the changes described in this section to identify those that apply to your current MySQL installation and applications. Changes marked as Incompatible change are incompatibilities with earlier versions of ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-authentication-system-variables.html
If FIDO authentication is attempted and this value is not the one expected by the FIDO device, the device assumes that it is not talking to the correct server and an error occurs. Note As of MySQL 8.0.35, this plugin variable is deprecated and ...
https://dev.mysql.com/doc/refman/8.0/en/binary-log.html
The binary log contains “events” that describe database changes such as table creation operations or changes to table data. It also contains events for statements that potentially could have made changes (for example, a DELETE which matched no ...
https://dev.mysql.com/doc/refman/8.0/en/bug-reports.html
Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at https://dev.mysql.com/doc/. We try to keep the manual up to date by updating ...
https://dev.mysql.com/doc/refman/8.0/en/charset-connection.html
A “connection” is what a client program makes when it connects to the server, to begin a session within which it interacts with the server. The client sends SQL statements, such as queries, over the session connection. The server sends ...
https://dev.mysql.com/doc/refman/8.0/en/controlling-query-plan-evaluation.html
The task of the query optimizer is to find an optimal plan for executing an SQL query. Because the difference in performance between “good” and “bad” plans can be orders of magnitude (that is, seconds versus hours or even days), most query ...
https://dev.mysql.com/doc/refman/8.0/en/create-procedure.html
By default, a stored routine is associated with the default database. To associate the routine explicitly with a given database, specify the name as db_name.sp_name when you create it. The CREATE FUNCTION statement is also used in MySQL to support ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-triggers.html
Where can I find the documentation for MySQL 8.0 triggers? A.5.2. Is there a way to view all triggers in a given database? A.5.7. Can a table have multiple triggers with the same trigger event and action time? A.5.11. Is it possible for a trigger to ...
https://dev.mysql.com/doc/refman/8.0/en/general-thread-states.html
The following list describes thread State values that are associated with general query processing and not more specialized activities such as replication. Many of these are useful only for finding bugs in the server. After create This occurs when ...