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https://dev.mysql.com/doc/refman/9.7/en/webauthn-pluggable-authentication.html
With this plugin-loading method, the option must be given each time the server starts. Because of this, a one-time device registration step is required before WebAuthn authentication can occur. Note The default server-side connect_timeout value (10 ... Note WebAuthn authentication is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/9.7/en/binary-log.html
The number increases each time the server creates a new log file, thus creating an ordered series of files. The server creates a new file in the series each time any of the following events occurs: The server is started or restarted The server ...
https://dev.mysql.com/doc/refman/9.7/en/bug-reports.html
Writing a good bug report takes patience, but doing it right the first time saves time both for us and for yourself. This section helps you write your report correctly so that you do not waste your time doing things that may not help us much or at ... 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/refman/9.7/en/charset-connection.html
These session system variable values are initialized at connect time, but can be changed within the session. With the mysql client, to use a character set different from the default, you could explicitly execute a SET NAMES statement every time you ... A “connection” is what a client program makes when it connects to the server, to begin a session within which it interacts with the ...
https://dev.mysql.com/doc/refman/9.7/en/controlling-query-plan-evaluation.html
However, when larger queries are submitted, the time spent in query optimization may easily become the major bottleneck in the server's performance. The general idea is that the fewer plans that are investigated by the optimizer, the less time it ...
https://dev.mysql.com/doc/refman/9.7/en/create-procedure.html
The DEFINER and SQL SECURITY clauses specify the security context to be used when checking access privileges at routine execution time, as described later in this section. For statements that can be determined at function definition time to return a ...By default, a stored routine is associated with the default ...
https://dev.mysql.com/doc/refman/9.7/en/faqs-mysql-cluster.html
If a transaction-safe engine such as InnoDB is being used, a transaction is either completed on the replica or not applied at all, but replication does not guarantee that all data on the source and the replica remains consistent at all times. NDB ...
https://dev.mysql.com/doc/refman/9.7/en/faqs-triggers.html
Can a table have multiple triggers with the same trigger event and action time? A.5.11. MySQL does have specific special behavior for some TIMESTAMP columns, as well as for columns which are defined using AUTO_INCREMENT. Can a table have multiple ...
https://dev.mysql.com/doc/refman/9.7/en/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. MySQL Server supports many ... This section describes some of the important characteristics of the MySQL Database ...
https://dev.mysql.com/doc/refman/9.7/en/general-thread-states.html
Killed Someone has sent a KILL statement to the thread and it should abort next time it checks the kill flag. The flag is checked in each major loop in MySQL, but in some cases it might still take a short time for the thread to die. Locking system ... The following list describes thread State values that are associated with general query processing and not more specialized activities such as ...