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https://dev.mysql.com/doc/refman/8.0/en/group-replication-limitations.html
Note that the limitations and issues described for multi-primary mode groups can also apply in single-primary mode clusters during a failover event, while the newly elected primary flushes out its applier queue from the old primary. The ... Limit on ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html
CHECK constraints are evaluated for INSERT, UPDATE, REPLACE, LOAD DATA, and LOAD XML statements and an error occurs if a constraint evaluates to FALSE. Prior to MySQL 8.0.16, CREATE TABLE permits only the following limited version of table CHECK ...
https://dev.mysql.com/doc/refman/8.0/en/group-by-modifiers.html
In this case, each time there is a change in value in any but the last grouping column, the query produces an extra super-aggregate summary row. Following each set of rows for a given year, an extra super-aggregate summary row appears showing the ...
https://dev.mysql.com/doc/refman/8.0/en/installing-source-distribution.html
To install MySQL from a standard source distribution: Verify that your system satisfies the tool requirements listed at Section 2.8.2, “Source Installation Prerequisites”. Configure, build, and install the distribution using the instructions in ...Obtain a distribution file using the instructions in Section 2.1.3, “How to Get ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-linux-binary.html
We recommend that you do this when installing or upgrading NDB Cluster, even if you plan to use only one of them, since this saves time and trouble in the event that you later decide to change from one to the other. Change location to the directory ... This section covers the steps necessary to install the correct executables for each type of Cluster node from precompiled binaries supplied by ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-case-sensitivity.html
Each table within a database corresponds to at least one file within the database directory (and possibly more, depending on the storage engine). Consequently, the case sensitivity of the underlying operating system plays a part in the case ... In ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
For floating-point and fixed-point data types, M is the total number of digits that can be stored. As of MySQL 8.0.17, the UNSIGNED attribute is deprecated for columns of type FLOAT, DOUBLE, and DECIMAL (and any synonyms); you should expect support ... For integer data types, M indicates the minimum display ...
https://dev.mysql.com/doc/refman/8.0/en/select-into.html
Example: SELECT * FROM t1 FOR UPDATE INTO @myvar; The INTO position at the end of the statement is supported as of MySQL 8.0.20, and is the preferred position. Column and line terminators can be specified to produce a specific output format. INTO ...
https://dev.mysql.com/doc/refman/8.0/en/windows-start-service.html
On Windows, the recommended way to run MySQL is to install it as a Windows service, so that MySQL starts and stops automatically when Windows starts and stops. A MySQL server installed as a service can also be controlled from the command line using ...Generally, to install MySQL as a Windows service you should be logged in using an account that has administrator ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-generated-columns.html
STORED: Column values are evaluated and stored when rows are inserted or updated. For INSERT, REPLACE, and UPDATE, if a generated column is inserted into, replaced, or updated explicitly, the only permitted value is DEFAULT. Generated column ...