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https://dev.mysql.com/doc/refman/8.0/en/fulltext-boolean.html
| +----+-----------------------+-------------------------------------+ Note In implementing this feature, MySQL uses what is sometimes referred to as implied Boolean logic, in which + stands for AND - stands for NOT [no operator] implies OR Boolean ...In the following query, the + and - operators indicate that a word must be present or absent, respectively, for a match to ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-table-import.html
The space ID and log sequence numbers (LSNs) on each page are updated. As a faster way of moving data than importing a dump file, which requires reinserting data and rebuilding indexes. Also, you should export all foreign key related tables at the ... This section describes how to import tables using the Transportable Tablespaces feature, which permits importing tables, partitioned tables, or individual table partitions that reside in file-per-table ...
https://dev.mysql.com/doc/refman/8.0/en/diagnostics-area.html
Standard SQL has a diagnostics area stack, containing a diagnostics area for each nested execution context. Standard SQL also supports GET STACKED DIAGNOSTICS syntax for referring to the second diagnostics area during condition handler execution.
https://dev.mysql.com/doc/refman/8.0/en/extensions-to-ansi.html
The ORDER BY and LIMIT clauses of the UPDATE and DELETE statements. The LOW_PRIORITY clause of the INSERT, REPLACE, DELETE, and UPDATE statements. Organization of data on disk MySQL Server maps each database to a directory under the MySQL data ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-installation.html
This section describes the basics for planning, installing, configuring, and running an NDB Cluster. Whereas the examples in Section 25.4, “Configuration of NDB Cluster” provide more in-depth information on a variety of clustering options and ...However, if DNS resolution is available on your network, it is possible to use host names in lieu of IP addresses in configuring ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mgm-client-commands.html
In addition to the central configuration file, a cluster may also be controlled through a command-line interface available through the management client ndb_mgm. Commands for the event logs are given in Section 25.6.3, “Event Reports Generated in ...CONNECT connection-string Connects to the management server indicated by the connection ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-summary-tables.html
The QUERY_SAMPLE_TEXT, QUERY_SAMPLE_SEEN, and QUERY_SAMPLE_TIMER_WAIT columns also are neither grouping nor summary columns; they support statement sampling.) The maximum number of rows in the table is autosized at server startup. For example, the ... The Performance Schema maintains tables for collecting current and recent statement events, and aggregates that information in summary ...
https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
type is one of the following data types: FLOAT DOUBLE DECIMAL SIGNED UNSIGNED DATE TIME DATETIME YEAR (MySQL 8.0.22 and later) YEAR values of one or two digits are not supported. JSON_CONTAINS(target, candidate[, path]) Indicates by returning 1 or 0 ...Two scalar values are comparable if they have the same JSON_TYPE() types, with the exception that values of types INTEGER and DECIMAL are also comparable to each ... The functions in this section ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-setup.html
Choosing one of the following setup types determines the initial installation only and does not limit your ability to install or update MySQL products for Windows later: Server only: Only install the MySQL server. Two or more MySQL server versions ... Choosing a Setup Type Path Conflicts Check Requirements MySQL Installer Configuration Files When you download MySQL Installer for the first time, a setup wizard guides you through the initial installation of MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-transaction-isolation-levels.html
If the row matches (must be updated), MySQL reads the row again and this time InnoDB either locks it or waits for a lock on it. Isolation is the I in the acronym ACID; the isolation level is the setting that fine-tunes the balance between ...InnoDB ... Transaction isolation is one of the foundations of database ...