Check out example codes for "error creating bean with name 'entitymanagerfactory' defined in class path resource spring boot". It will help you in understanding the concepts better.
Code Example 1
// Seems like you used @Id annotation from the wrong package in // your Degree class. // Change your import from org.springframework.data.annotation.Id // to import javax.persistence.Id. // That should help with the exception you're getting.
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