SpringDataJpa field is set using two ways Default constraints
// The first way is to modify the attributes defined in the column build table the @Column (columnDefinition = "VARCHAR (35) default '12345'" ) // second is provided by the following Hibernate (org.hibernate.annotations.ColumnDefault) the comment set the default value @ColumnDefault ( "12345")
// When stored, Insert field value according to whether there is enumerated list of values to be set by means insertion @DynamicInsert // dynamic insertion // and @DynamicInsert Similarly, means that the refreshing operation @DynamicUpdate // Dynamic update