mysql 8.0版本

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默认身份验证插件配置：default_authentication_plugin

mysql> show global variables like  'default_authentication_plugin';
+-------------------------------+-----------------------+
| Variable_name                 | Value                 |
+-------------------------------+-----------------------+
| default_authentication_plugin | caching_sha2_password |
+-------------------------------+-----------------------+
1 row in set, 1 warning (0.00 sec)

mysql>

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