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https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-conversion.html
This section describes issues that you may face when converting character data between the utf8mb3 and utf8mb4 character sets. Note This discussion focuses primarily on converting between utf8mb3 and utf8mb4, but similar principles apply to ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-row-format.html
Importing a table that does not explicitly define a row format results in a schema mismatch error if the innodb_default_row_format setting on the source server differs from the setting on the destination server. The row format of a table determines ...
https://dev.mysql.com/doc/refman/8.0/en/local-variable-scope.html
The scope of a local variable is the BEGIN ... The variable can be referred to in blocks nested within the declaring block, except those blocks that declare a variable with the same name. Because local variables are in scope only during stored ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-handling-nulls.html
Partitioning in MySQL does nothing to disallow NULL as the value of a partitioning expression, whether it is a column value or the value of a user-supplied expression. Even though it is permitted to use NULL as the value of an expression that must ...
https://dev.mysql.com/doc/refman/8.0/en/charset-charsets.html
There is one subsection for each group of related character sets. To list the available character sets and their default collations, use the SHOW CHARACTER SET statement or query the INFORMATION_SCHEMA CHARACTER_SETS table. To avoid choosing the ...
https://dev.mysql.com/doc/refman/8.0/en/charset-gb18030.html
In MySQL, the gb18030 character set corresponds to the “Chinese National Standard GB 18030-2005: Information technology — Chinese coded character set”, which is the official character set of the People's Republic of China (PRC).
https://dev.mysql.com/doc/refman/8.0/en/extended-show.html
Some extensions to SHOW statements accompany the implementation of INFORMATION_SCHEMA: SHOW can be used to get information about the structure of INFORMATION_SCHEMA itself. Several SHOW statements accept a WHERE clause that provides more ...
https://dev.mysql.com/doc/refman/8.0/en/fips-mode.html
MySQL supports FIPS mode when a supported OpenSSL library and FIPS Object Module are available on the host system. FIPS mode on the server side applies to cryptographic operations performed by the server. This includes replication (source/replica ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-mapping.html
All other national letters from alphabets that have uppercase/lowercase mapping are encoded as shown in the following table. There is a correspondence between database and table identifiers and names in the file system. For the basic structure, ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldump.html
mysqldump issues DML instructions for the system tables which use the non-transactional MyISAM storage engine, and this combination is not permitted when GTIDs are enabled. Internationalization Options The following options change how the mysqldump ... The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table ...