django3 需要mysql版本至少5.6以下，升级mysql版本解决。
django.db.migrations.exceptions.MigrationSchemaMissing: Unable to create the django_migrations table ((1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version fo
r the right syntax to use near ‘(6) NOT NULL)‘ at line 1"))
django migrat mysql version error
原文：https://www.cnblogs.com/spidernyp/p/12258854.html