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Is the UTF-8 character set supported by Unicode?
In MySQL, the utf8mb3 character set is defined to be UTF-8 encoded data with a maximum of three bytes per character, meaning only Unicode characters in the Basic Multilingual Plane are supported. Unicode characters in supplementary planes are explicitly not supported.
What are the UTF-8 code units in Java?
Its regular UTF-8 encoding is f09f9889, which matches your error. Java expects Modified UTF-8, however: Characters with code points above U+FFFF (so-called supplementary characters) are represented by separately encoding the two surrogate code units of their UTF-16 representation.
Why is UTF-8 used in Internet engineering task force?
The Internet Engineering Task Force adopted UTF-8 in its Policy on Character Sets and Languages in RFC 2277 (BCP 18) for future Internet standards work, replacing Single Byte Character Sets such as Latin-1 in older RFCs.
What is the abbreviation for UTF-8 without a BOM?
In Japan especially, UTF-8 encoding without a BOM is sometimes called ” UTF-8N “. Windows 7 and later, i.e. all supported Windows versions, have codepage 65001, as a synonym for UTF-8 (with better support than in older Windows), and Microsoft has a script for Windows 10, to enable it by default for its program Microsoft Notepad.
How is the Latin letter O represented in UTF-8?
The black coloured zeros are used to fill up the empty bits in the byte. The latin character ṍ with code point U+1E4D is be represented using 3 byte encoding as it is larger than the maximum value that can be represented using 2 byte encoding.
When to use UTF 8 in SQL Plus?
Depending on the exact architecture, there will be different answers. If you are, for example, using SQL*Plus to extract the data, you would need to set the NLS_LANG on the client machine to something appropriate (i.e. AMERICAN_AMERICA.AL32UTF8) to force the data to be sent to the client machine in UTF-8.