Mysql which unicode
Client applications that need to communicate with the server using Unicode should set the client character set accordingly; for example, by issuing a SET NAMES 'utf8' statement.
See Section 9. Connect with the same characterset as your data to display correctly. It turns out the problem was that my ODBC driver was version 3. Installing version 5. As of mySQL 5. Add your own comment. Any attempt to enter a text that contains four byte characters will result in a Moodle database error.
From version 3. Existing databases will still run with partial support, but it is recommended to move over to full support. Before Moodle versions 3. This script will attempt to change the database Collation, Character set, default table settings and column definitions. To allow for large indexes on columns that are a varchar, a combination of settings needs to be set.
The file format for the system needs to be using "Barracuda". Unicode collations based on UCA versions higher than 4. A character that has uppercase and lowercase versions only in a Unicode version higher than 4.
Language-specific collations are UCA-based, with additional language tailoring rules. Examples of such rules appear later in this section.
For questions about particular language orderings, unicode. A language name shown in the following table indicates a language-specific collation. Unicode character sets may include collations for one or more of these languages. Spanish collations are available for modern and traditional Spanish. In addition, for traditional Spanish, ch is a separate letter between c and d , and ll is a separate letter between l and m. Swedish collations include Swedish rules.
For example, in Swedish, the following relationship holds, which is not something expected by a German or French speaker:. It can make only one-to-one comparisons between characters. See Section The result is a sequence of two collating elements, aaaa followed by bbbb. For example:. With UCA 5. For supplementary characters in UCA 4. The rule that all supplementary characters are equal to each other is nonoptimal but is not expected to cause trouble.
These characters are very rare, so it is very rare that a multi-character string consists entirely of supplementary characters. In Japan, since the supplementary characters are obscure Kanji ideographs, the typical user does not care what order they are in, anyway.
If you really want rows sorted by the MySQL rule and secondarily by code point value, it is easy:. For supplementary characters based on UCA versions higher than 4. Some have explicit weights from the UCA allkeys.