https://dev.mysql.com/datetime.html
(This does not occur for other types such as DATETIME.) By default, the current time zone for each connection is the server's time. This section describes their characteristics, how they are similar, and how they differ. MySQL recognizes DATE, ...
https://dev.mysql.com/error-access-denied.html
Often the problem is related to the MySQL accounts that the server permits client programs to use when connecting. See Section 6.2, “Access Control and Account Management”, and Section 6.2.21, “Troubleshooting Problems Connecting to MySQL”.
https://dev.mysql.com/example-auto-increment.html
These functions are connection-specific, so their return values are not affected by another connection which is also performing inserts. You can also explicitly assign 0 to the column to generate sequence numbers, unless the NO_AUTO_VALUE_ON_ZERO ...
https://dev.mysql.com/explain-output.html
Plan isn't ready yet (JSON property: none) This value occurs with EXPLAIN FOR CONNECTION when the optimizer has not finished creating the execution plan for the statement executing in the named connection. The EXPLAIN statement provides information ...
https://dev.mysql.com/firewall-installation.html
It refers to Windows Firewall and controls whether Windows blocks the TCP/IP port on which the MySQL server listens for client connections.) Important There is an issue for MySQL 8.0.19 installed using MySQL Installer that prevents the server from ... MySQL Enterprise Firewall installation is a one-time operation that installs the components described in Section 6.4.7.1, “MySQL Enterprise Firewall ...
https://dev.mysql.com/gis-class-multipolygon.html
A MultiPolygon that has more than one Polygon has an interior that is not connected. The number of connected components of the interior of a MultiPolygon is equal to the number of Polygon values in the MultiPolygon. A MultiPolygon is a MultiSurface ...
https://dev.mysql.com/group-replication-bootstrap.html
Therefore to safely bootstrap the group, connect to s1 and issue: mysql> SET GLOBAL group_replication_bootstrap_group=ON; mysql> START GROUP_REPLICATION; mysql> SET GLOBAL group_replication_bootstrap_group=OFF; Once the START GROUP_REPLICATION ...
https://dev.mysql.com/group-replication-understanding-consistency-guarantees.html
This ensures that in a situation as described previously, when client C1 is reconnected to the new primary it reads A=2. This means that a client C2 can write B=2 WHERE B=1 on the primary, immediately connect to a secondary and read B=1. Any ... In ...
https://dev.mysql.com/group-replication-view-changes.html
For state transfer from a donor's binary log, a connection is established between the joining member and the donor and state transfer begins. Figure 18.11 Queued Transactions When the server joining the group recognizes a view change log event with ... When Group Replication's distributed recovery process is carrying out state transfer from the binary log, to synchronize the joining member with the donor up to a specific point in time, the joining member and donor make use of GTIDs (see Section 17.1.3, “Replication with Global Transaction ...
https://dev.mysql.com/innodb-autocommit-commit-rollback.html
By default, MySQL starts the session for each new connection with autocommit enabled, so MySQL does a commit after each SQL statement if that statement did not return an error. By default, connection to the MySQL server begins with autocommit mode ...If autocommit mode is enabled, each SQL statement forms a single transaction on its ...
