Search Results
https://dev.mysql.com/doc/refman/8.4/en/archive-storage-engine.html
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. To enable this storage engine if you build MySQL from source, invoke CMake with the -DWITH_ARCHIVE_STORAGE_ENGINE ...
https://dev.mysql.com/doc/refman/8.4/en/backup-strategy-summary.html
In case of an operating system crash or power failure, InnoDB itself does all the job of recovering data. But to make sure that you can sleep well, observe the following guidelines: Always tun the MySQL server with binary logging enabled (that is ...
https://dev.mysql.com/doc/refman/8.4/en/bit-type.html
The BIT data type is used to store bit values. If you assign a value to a BIT(M) column that is less than M bits long, the value is padded on the left with zeros. For example, assigning a value of b'101' to a BIT(6) column is, in effect, the same ...
https://dev.mysql.com/doc/refman/8.4/en/bug-reports.html
Before posting a bug report about a problem, please try to verify that it is a bug and that it has not been reported already: Start by searching the MySQL online manual at https://dev.mysql.com/doc/. We try to keep the manual up to date by updating ...
https://dev.mysql.com/doc/refman/8.4/en/cannot-initialize-character-set.html
All standard MySQL binaries are compiled with support for all multibyte character sets. You might see an error like this if you have character set problems: MySQL Connection Failed: Can't initialize character set charset_name This error can have ...
https://dev.mysql.com/doc/refman/8.4/en/channels-startup-options.html
This section describes startup options which are impacted by the addition of replication channels. The following startup options now affect all channels in a replication topology. --log-replica-updates All transactions received by the replica (even ...
https://dev.mysql.com/doc/refman/8.4/en/character-arrays.html
Each simple character set has a configuration file located in the sql/share/charsets directory. For a character set named MYSYS, the file is named MYSET.xml. <map> elements appear within these elements: <ctype> defines attributes for each character. <collation> elements indicate character ordering for comparison and sorting, one element per ...
https://dev.mysql.com/doc/refman/8.4/en/charset-configuration.html
The MySQL server has a compiled-in default character set and collation. To change these defaults, use the --character-set-server and --collation-server options when you start the server. The collation must be a legal collation for the default ...
https://dev.mysql.com/doc/refman/8.4/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). Characteristics of ...
https://dev.mysql.com/doc/refman/8.4/en/clone-plugin-limitations.html
The clone plugin is subject to these limitations: An instance cannot be cloned from a different MySQL server series. For example, you cannot clone between MySQL 8.0 and MySQL 8.4, but can clone within a series such as MySQL 8.4.1 and MySQL 8.4.13.