Data update

Task/UTF-8-encode-and-decode/DuckDB/utf-8-encode-and-decode.duckdb

@@ -0,0 +1,12 @@
+create or replace function utf8x(codepoint) as (
+   select hex(encode(chr(codepoint)))
+);
+
+# Example:
+select s,
+       unicode(s) as codepoint,
+       chr(codepoint) as c,
+       unicode(c),
+       utf8x(codepoint),
+       decode(from_hex(utf8x(codepoint))) as "decode(from_hex())"
+from values ('A'), ('ö'), ('Ж'), ('€'), ('𝄞') t(s);