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https://dev.mysql.com/doc/refman/8.0/en/built-in-function-reference.html
For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. The following table lists each built-in (native) function and operator and provides a short description of each one. ->> Return value ...
https://dev.mysql.com/doc/refman/8.0/en/adding-collation-unicode-uca.html
This section describes how to add a UCA collation for a Unicode character set by writing the <collation> element within a <charset> character set description in the MySQL Index.xml file. Table 12.4 MySQL Character Sets Available for User-Defined ...
https://dev.mysql.com/doc/refman/8.0/en/cannot-create.html
If you get an error of the following type for some queries, it means that MySQL cannot create a temporary file for the result set in the temporary directory: Can't create/write to file '\\sqla3fe_0.ism'. One fix is to start mysqld with the --tmpdir ...The preceding error is a typical message for Windows; the Unix message is ...
https://dev.mysql.com/doc/refman/8.0/en/cannot-initialize-character-set.html
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 any of the following causes: The character set is a multibyte character set and you have ...In this case, you need to recompile the client by running CMake with the -DDEFAULT_CHARSET=charset_name ...
https://dev.mysql.com/doc/refman/8.0/en/charset.html
MySQL includes character set support that enables you to store data using a variety of character sets and perform comparisons according to a variety of collations. The default MySQL server character set and collation are utf8mb4 and ...To maximize ...
https://dev.mysql.com/doc/refman/8.0/en/commit.html
Important Many APIs used for writing MySQL client applications (such as JDBC) provide their own methods for starting transactions that can (and sometimes should) be used instead of sending a START TRANSACTION statement from the client. MySQL enables ...SET autocommit disables or enables the default autocommit mode for the current ...
https://dev.mysql.com/doc/refman/8.0/en/constraint-primary-key.html
If you are using a transactional storage engine such as InnoDB, MySQL automatically rolls back the statement. If you are using a nontransactional storage engine, MySQL stops processing the statement at the row for which the error occurred and leaves ... Normally, errors occur for data-change statements (such as INSERT or UPDATE) that would violate primary-key, unique-key, or foreign-key ...
https://dev.mysql.com/doc/refman/8.0/en/create-server.html
The CREATE SERVER statement creates a new row in the servers table in the mysql database. The CREATE SERVER statement creates an entry in the mysql.servers table that can later be used with the CREATE TABLE statement when creating a FEDERATED table.
https://dev.mysql.com/doc/refman/8.0/en/creating-rsa-files-using-openssl.html
This section describes how to use the openssl command to set up the RSA key files that enable MySQL to support secure password exchange over unencrypted connections for accounts authenticated by the sha256_password and caching_sha2_password plugins. Note There are easier alternatives to generating the files required for RSA than the procedure described here: Let the server autogenerate them or use the mysql_ssl_rsa_setup program (deprecated as of MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/creating-spatial-indexes.html
For InnoDB and MyISAM tables, MySQL can create spatial indexes using syntax similar to that for creating regular indexes, but using the SPATIAL keyword. For storage engines that support nonspatial indexing of spatial columns, the engine creates a ...