報錯如何看和解決Error updating database. Cause: java.sql.SQLException: Field 'course_id' doesn't have a def...

  前端控制檯報錯信息:     後端控制檯報錯信息: org.springframework.dao.DataIntegrityViolationException: ### Error updating database. Cause: java.sql.SQLException: Field 'course_id' doesn't have a default value ### The
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