Expired60% confidenceFactExact time
The utf8 encoding in MySQL actually only supports 3-byte characters and cannot store certain special characters (such as emoji), while UTF-8 MB4 is the encoding that truly supports 4-byte Unicode characters.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
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