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https://dev.mysql.com/doc/refman/8.0/en/charset-metadata.html
The metadata requirements mean that the return values of the USER(), CURRENT_USER(), SESSION_USER(), SYSTEM_USER(), DATABASE(), and VERSION() functions have the UTF-8 character set by default. Metadata is “the data about the data.” Anything ...
https://dev.mysql.com/doc/refman/8.0/en/charset-restrictions.html
The ucs2, utf16, utf16le, and utf32 character sets have the following restrictions: None of them can be used as the client character set. Identifiers are stored in mysql database tables (user, db, and so forth) using utf8mb3, but identifiers can ...
https://dev.mysql.com/doc/refman/8.0/en/charset-table.html
The CREATE TABLE and ALTER TABLE statements have optional clauses for specifying the table character set and collation: CREATE TABLE tbl_name (column_list) [[DEFAULT] CHARACTER SET charset_name] [COLLATE collation_name]] ALTER TABLE tbl_name ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf16.html
The utf16 character set is the ucs2 character set with an extension that enables encoding of supplementary characters: For a BMP character, utf16 and ucs2 have identical storage characteristics: same code values, same encoding, same length. For a ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb4.html
utf8mb4 contrasts with the utf8mb3 character set, which supports only BMP characters and uses a maximum of three bytes per character: For a BMP character, utf8mb4 and utf8mb3 have identical storage characteristics: same code values, same encoding, ... The utf8mb4 character set has these characteristics: Supports BMP and supplementary ...
https://dev.mysql.com/doc/refman/8.0/en/checking-gpg-signature-windows.html
The signature file must have the same name as the packaged file but with an appended .asc extension, as shown by the example in the following table. The Section 2.1.4.2, “Signature Checking Using GnuPG” section describes how to verify MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-compressed-data.html
The donor and recipient file systems must have the same block size. The following requirements apply when cloning remote data: The recipient file system must support sparse files and hole punching for hole punching to occur on the recipient. If file ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-failure-handling.html
At this stage, the previously existing user-created data and binary logs on the recipient have also been removed. This section describes failure handing at different stages of a cloning operation. If a failure occurs during the prerequisite check, ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-local.html
The MySQL server must have the necessary write access to create the directory. The BACKUP_ADMIN privilege is required to execute CLONE LOCAL DATA DIRECTORY statements. mysql> GRANT BACKUP_ADMIN ON *.* TO 'clone_user'; where clone_user is the MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-replication.html
Ensure that these channels are not configured to start replication automatically at server startup, as they do not yet have the binary log position and attempt to start replication from the beginning. In addition to cloning data, a cloning operation ...