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https://dev.mysql.com/doc/refman/8.4/en/expressions.html
This section lists the grammar rules that expressions must follow in MySQL and provides additional information about the types of terms that may appear in expressions. Expression Syntax Expression Term Notes Temporal Intervals Expression Syntax The ...
MySQL 8.4 Reference Manual :: A.11 MySQL 8.4 FAQ: MySQL Chinese, Japanese, and Korean Character Sets
https://dev.mysql.com/doc/refman/8.4/en/faqs-cjk.html
When you select literal (or _introducer hexadecimal-value), do you obtain literal as a result? For example, the Japanese Katakana character Pe (ペ') exists in all CJK character sets, and has the code point value (hexadecimal coding) 0x30da. This is ... This set of Frequently Asked Questions derives from the experience of MySQL's Support and Development groups in handling many inquiries about CJK (Chinese-Japanese-Korean) ...
https://dev.mysql.com/doc/refman/8.4/en/federated-usagenotes.html
The remote table that a FEDERATED table points to must exist before you try to access the table through the FEDERATED table. The following items indicate features that the FEDERATED storage engine does and does not support: The remote server must be ...
https://dev.mysql.com/doc/refman/8.4/en/fetch.html
If a row exists, the fetched columns are stored in the named variables. This statement fetches the next row for the SELECT statement associated with the specified cursor (which must be open), and advances the cursor pointer. The number of columns ...
https://dev.mysql.com/doc/refman/8.4/en/file-permissions.html
If you have problems with file permissions, the UMASK or UMASK_DIR environment variable might be set incorrectly when mysqld starts. For example, mysqld might issue the following error message when you create a table: ERROR: Can't find file: ...
https://dev.mysql.com/doc/refman/8.4/en/firewall-installation.html
mysql> CREATE DATABASE IF NOT EXISTS database-name; Run the script, naming the custom schema as the database for MySQL Enterprise Firewall. MySQL Enterprise Firewall installation is a one-time operation that installs the elements described in ...
https://dev.mysql.com/doc/refman/8.4/en/full-text-adding-collation.html
Warning User-defined collations are deprecated; you should expect support for them to be removed in a future version of MySQL. The server issues a warning for any use of COLLATE user_defined_collation in an SQL statement; a warning is also issued ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-boolean.html
The words might not be in the index because of a combination of factors: if they do not exist in the text, are stopwords, or are shorter than the minimum length of indexed words. MySQL can perform boolean full-text searches using the IN BOOLEAN ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-mecab.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-ngram.html
The built-in MySQL full-text parser uses the white space between words as a delimiter to determine where words begin and end, which is a limitation when working with ideographic languages that do not use word delimiters. To address this limitation, ...