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https://dev.mysql.com/doc/refman/8.4/en/precision-math-numbers.html
For example, 2.34 is an exact-value (fixed-point) number, whereas 2.34E0 is an approximate-value (floating-point) number. The DECIMAL data type is a fixed-point type and calculations are exact. In MySQL, the DECIMAL type has several synonyms: ...
https://dev.mysql.com/doc/refman/8.4/en/problems-connecting.html
is not allowed to connect to this MySQL server You can fix this by setting up an account for the combination of client host name and user name that you are using when trying to connect. To fix it, execute mysqladmin flush-hosts to reset the internal ... If you encounter problems when you try to connect to the MySQL server, the following items describe some courses of action you can take to correct the ...
https://dev.mysql.com/doc/refman/8.4/en/storage-requirements.html
This section includes guidelines and information for the storage requirements for each data type supported by MySQL, including the internal format and size for storage engines that use a fixed-size representation for data types. The length prefix ...
https://dev.mysql.com/doc/refman/8.4/en/upgrade-best-practices.html
Run Upgrade Checker and Fix Incompatibilities MySQL Shell's Upgrade Checker Utility detects incompatibilities between database versions that must be addressed before performing the upgrade. MySQL supports upgrading between minor versions (within an ...
https://dev.mysql.com/doc/refman/8.4/en/upgrade-prerequisites.html
The upgrade checker works for all Bugfix, Innovation, and LTS releases of MySQL. Any such triggers must be dumped and restored to fix the issue. After the errors are fixed, perform a slow shutdown (by setting innodb_fast_shutdown=0) before ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-2.html
MySQL NDB Cluster 8.4.2 is a new LTS release of NDB 8.4, based on MySQL Server 8.4 and including features in version 8.4 of the NDB storage engine, as well as fixing recently discovered bugs in previous NDB Cluster releases. This release also ...
https://dev.mysql.com/doc/relnotes/mysql-cluster/8.4/en/news-8-4-7.html
MySQL NDB Cluster 8.4.7 is a new LTS release of NDB 8.4, based on MySQL Server 8.4 and including features in version 8.4 of the NDB storage engine, as well as fixing recently discovered bugs in previous NDB Cluster releases. This release also ...
https://dev.mysql.com/doc/relnotes/mysql-cluster-manager/8.4/en/news-8-4-4.html
(Bug #37326544) Bugs Fixed Agent: mcmd sometimes failed to load its information XML files when they are malformed, causing errors in its operations. With this fix, proper error handling is put in place for loading the files, in order to avoid ...
https://dev.mysql.com/doc/relnotes/mysql-cluster-manager/8.4/en/news-8-4-6.html
Bugs Fixed Agent: The stop process command timed out on a non-running node that had been successful added by a command that failed subsequently. With this fix, the stop process command returns success in this scenario. With this fix, mcm throws the ... Note These release notes were created with the assistance of MySQL HeatWave ...
https://dev.mysql.com/doc/relnotes/mysql-router/8.4/en/news-8-4-6.html
Functionality Added or Changed Bugs Fixed Functionality Added or Changed Binary packages that include curl rather than linking to the system curl library have been upgraded to use curl 8.16.0. (Bug #37936725) Bugs Fixed Fixed an issue related to ...