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https://dev.mysql.com/doc/refman/8.0/en/charset-cp932.html
Why is cp932 needed? In MySQL, the sjis character set corresponds to the Shift_JIS character set defined by IANA, which supports JIS X0201 and JIS X0208 characters. (See http://www.iana.org/assignments/character-sets.) However, the meaning of ...
https://dev.mysql.com/doc/refman/8.0/en/gis-geometry-class-hierarchy.html
All classes have properties, and instantiable classes may also have assertions (rules that define valid class instances). The instantiable subclasses of Geometry are restricted to zero-, one-, and two-dimensional geometric objects that exist in ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-secure-socket-layer-support-ssl.html
For instructions to change the list of permitted TLS protocol versions at runtime, see Section 8.3.2, “Encrypted Connection TLS Protocols and Ciphers” and Server-Side Runtime Configuration and Monitoring for Encrypted Connections. The Group ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-read-only-instance.html
All queries read the latest version of a record, because update and deletes are not possible. Run the server with change buffering disabled (innodb_change_buffering=0) and do a slow shutdown. To enable read-only mode for an entire MySQL instance, ...
https://dev.mysql.com/doc/refman/8.0/en/load-xml.html
The tagname in the optional ROWS IDENTIFIED BY clause must also be given as a literal string, and must be surrounded by angle brackets (< and >). To write data from a table to an XML file, you can invoke the mysql client with the --xml and -e ...
https://dev.mysql.com/doc/refman/8.0/en/mrr-optimization.html
Reading rows using a range scan on a secondary index can result in many random disk accesses to the base table when the table is large and not stored in the storage engine's cache. With the Disk-Sweep Multi-Range Read (MRR) optimization, MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/multiple-unix-servers.html
It is also possible to use the same server binary and start each invocation of it with different parameter values at runtime. For MySQL installation using an RPM distribution, server startup and shutdown is managed by systemd on several Linux ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-linux-source.html
This section provides information about compiling NDB Cluster on Linux and other Unix-like platforms. Building NDB Cluster from source is similar to building the standard MySQL Server, although it differs in a few key respects discussed here. For ...For general information about building MySQL from source, see Section 2.8, “Installing MySQL from ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-gr-memory-monitoring-ps-sample-queries.html
This section describes sample queries using the instruments and events for monitoring Group Replication memory usage. row *************************** EVENT_NAME: memory/group_rpl/memory_gr SUM(COUNT_ALLOC): 127 SUM(COUNT_FREE): 117 ...The memory ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-status-variable-tables.html
There are also summary tables that provide status variable information aggregated by account, host name, and user name. To obtain global and per-session statement execution counts, use the events_statements_summary_global_by_event_name and ... The ...