Results 2 issues of mlemnian

There is a minor issue with the documentation and the usage string: The commander module uses -V as a program option instead of a -v to print out the version...

https://github.com/amrutprabhu/spring-boot-jpa-bulk-insert-performance/blob/f9af79efff9ed62499bfa7404a422c0dd9e9ae04/src/main/java/com/amrut/prabhu/bulkdatainsert/Book.java#L10 You shouldn't use lombok's `@Data` annotation in case of JPA entities. In the case of entities, two entities are the same iff their `@Id`s are the same! Lombok is...