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https://dev.mysql.com/doc/refman/8.0/en/version-tokens-usage.html
Client applications that access the servers to retrieve and update data, choosing servers according to the purposes assigned them. For example, a client should not send an update to a read-only server. If at some point the management application ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-search-mecab.html
MeCab Parser Term Search For natural language mode search, the search term is converted to a union of tokens. SELECT COUNT(*) FROM articles WHERE MATCH(title,body) AGAINST('データベース管理' IN NATURAL LANGUAGE MODE); For boolean mode ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-search.html
MATCH (col1,col2,...) AGAINST (expr [search_modifier]) search_modifier: { IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | IN BOOLEAN MODE | WITH QUERY EXPANSION } MySQL has support for full-text indexing and searching: A ...Full-text indexes can be used only with InnoDB or MyISAM tables, and can be created only for CHAR, VARCHAR, or TEXT ...
https://dev.mysql.com/doc/refman/8.0/en/function-resolution.html
These rules can be changed by enabling the IGNORE_SPACE SQL mode. The IGNORE_SPACE SQL mode can be used to modify how the parser treats function names that are whitespace-sensitive: With IGNORE_SPACE disabled, the parser interprets the name as a ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions.html
The functions described in the following sections are used with Group Replication.
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-transaction-summary-tables.html
The transaction access mode specifies whether transactions operate in read/write or read-only mode. The transaction access mode specifies whether transactions operate in read/write or read-only mode. Transaction Aggregation Rules Transaction event ... The Performance Schema maintains tables for collecting current and recent transaction events, and aggregates that information in summary ...
https://dev.mysql.com/doc/refman/8.0/en/precision-math-examples.html
In strict mode, inserting a value that is out of range for a column causes an error, rather than truncation to a legal value. This section provides some examples that show precision math query results in MySQL. These examples demonstrate the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-init-startup-configuration.html
InnoDB is a transaction-safe (ACID compliant) storage engine with commit, rollback, and crash-recovery capabilities to protect user data. The doublewrite buffer adds safety to recovery following an unexpected exit or power outage, and improves ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-crash-recovery.html
If you run myisamchk to check tables that mysqld is updating at the same time, you may get a warning that a table is corrupt even when it is not. In this case, if the server tries to update a table that myisamchk is using, the server waits for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-data-node-memory-management.html
It also holds table rows as they are updated, before the next commit writes them to data memory. MaxNoOfConcurrentOperations limits the number of operations that can be active at any one time in updating transactions. While its value can be ... All ...