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Knowledge Must Be Shared!Fixing MySQL Error : Unknown collation: ' utf8mb4_unicode_ci': sanjeeve.com
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mysql - #1273 – Unknown collation: 'utf8mb4_unicode_520_ci' - Stack Overflow
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phpMyAdmin: How to Convert utf8_general_ci Database to utf8mb4_unicode_ci – Marius Hosting
MySQL: Character Sets, Unicode, and UCA compliant collations
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Enhancement Request: utf8mb4 - utf8mb4_unicode_ci as default collation in MySQL · Issue #2745 · the-control-group/voyager · GitHub
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