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https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
For other platform-specific binary package formats, see the other platform-specific sections in this manual. This section covers the installation of MySQL from a compressed tar file binary distribution on Unix/Linux platforms. Data directory ...
https://dev.mysql.com/doc/refman/8.0/en/server-options.html
This in turn enables the server to use that basedir when searching for server-related information such as the share directory containing error messages. Note This must be the first option on the command line if it is used, except that if the server ...The best way to ensure this is to list them in an option ... When you start the mysqld server, you can specify program options using any of the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-replica.html
This section explains the server options and system variables that apply to replica servers and contains the following: Startup Options for Replica Servers System Variables Used on Replica Servers Specify the options either on the command line or ...Many of the options can be set while the server is running by using the CHANGE REPLICATION SOURCE TO statement (from MySQL 8.0.23) or CHANGE MASTER TO statement (before MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/column-indexes.html
Indexing only a prefix of column values in this way can make the index file much smaller. Take this into account when specifying a prefix length for a nonbinary string column that uses a multibyte character set. If a search term exceeds the index ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-introduction.html
MySQL uses the default collation for this character set (utf8mb3_general_ci) for all searches, sorts, comparisons, and other string operations on such columns. Other terms that are sometimes used for this information are data dictionary and system ... INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-fulltext-index.html
To support proximity search, position information for each word is also stored, as a byte offset. The number of threads that perform this work is configurable using the innodb_ft_sort_pll_degree variable. The index defined on the opening_lines table ... Full-text indexes are created on text-based columns (CHAR, VARCHAR, or TEXT columns) to speed up queries and DML operations on data contained within those ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-locking.html
In this case, gap locking is disabled for searches and index scans and is used only for foreign-key constraint checking and duplicate-key checking. In this case, InnoDB uses next-key locks for searches and index scans, which prevents phantom rows ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-transaction-isolation-levels.html
This means that if you issue several plain (nonlocking) SELECT statements within the same transaction, these SELECT statements are consistent also with respect to each other. For locking reads (SELECT with FOR UPDATE or FOR SHARE), UPDATE, and ...
https://dev.mysql.com/doc/refman/8.0/en/index-hints.html
They also work with multi-table DELETE statements, but not with single-table DELETE, as shown later in this section. (For the general syntax for specifying tables in a SELECT statement, see Section 15.2.13.2, “JOIN Clause”.) The syntax for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-documents-modify.html
mysql-js> db.countryinfo.modify("Name = 'France'").arrayDelete("$.Airports[1]") Related Information The MySQL Reference Manual provides instructions to help you search for and modify JSON values. In the following example, the modify() method uses ...