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https://dev.mysql.com/doc/refman/8.0/en/locking-service.html
These lock instances can be read locks, write locks, or a mix of both. MySQL distributions provide a locking interface that is accessible at two levels: At the SQL level, as a set of loadable functions that each map onto calls to the service ...
https://dev.mysql.com/doc/refman/8.0/en/making-windows-dumps.html
Important The .exe and .pdb files must be an exact match (both version number and MySQL server edition); otherwise, or WinDBG complains while attempting to load the symbols. Program Database files (with suffix pdb) are included in the ZIP Archive ...
https://dev.mysql.com/doc/refman/8.0/en/manual-info.html
This is the Reference Manual for the MySQL Database System, version 8.0, through release 8.0.44. Differences between minor versions of MySQL 8.0 are noted in the present text with reference to release numbers (8.0.x). This manual is not intended ...
https://dev.mysql.com/doc/refman/8.0/en/memory-use.html
We test mysqld with several memory-leakage detectors (both commercial and Open Source), so there should be no memory leaks. MySQL allocates buffers and caches to improve performance of database operations. The default configuration is designed to ...
https://dev.mysql.com/doc/refman/8.0/en/merge-storage-engine.html
Note A known issue exists where indexes on the same columns must be in identical order, in both the MERGE table and the underlying MyISAM table. The MERGE storage engine, also known as the MRG_MyISAM engine, is a collection of identical MyISAM ...
https://dev.mysql.com/doc/refman/8.0/en/miscellaneous-functions.html
The function return value and type are the same as the return value and type of its argument, but the function result is not checked for the ONLY_FULL_GROUP_BY SQL mode. As a result, the address value for rows within each name group is ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-using-management-client.html
If both a wait_option and a snapshot_option are used, they may be specified in either order. Before starting a backup, make sure that the cluster is properly configured for performing one. If an existing backup_id value is used, the backup fails ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-compared.html
Since both NDB and InnoDB can serve as transactional MySQL storage engines, users of MySQL Server sometimes become interested in NDB Cluster. MySQL Server offers a number of choices in storage engines. They see NDB as a possible alternative or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-disk-data-objects.html
For example, you cannot have a tablespace and a log file group both named dd1. NDB Cluster Disk Data storage is implemented using the following objects: Tablespace: Acts as containers for other Disk Data objects. A tablespace contains one or more ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-event-reports.html
Node event logs are generated for both management nodes and data nodes. In this section, we discuss the types of event logs provided by NDB Cluster, and the types of events that are logged. NDB Cluster provides two types of event log: The cluster ...