Illegal mix of collations (utf8mb4_0900_ai_ci,IMPLICIT) and (utf8mb4_et_0900_ai_ci,IMPLICIT) for ope
Illegalmixofcollations(utf8mb4_0900_ai_ci,IMPLICIT)and(utf8mb4_et_0900_ai_ci,IMPLICIT)foroperation‘=’数据库排序规则。一般是不对等的排序规则。我这里原因是以(utf8mb4_0900_ai_ci,IMPLICIT)为排序规则的字段连接了以(utf8mb4_et_0900_ai_ci,IMPLICIT