Auto Increment Oracle Table Id Mapping With JPA Entity
When you create entities file of the mysql table with JPA, auto increment field 'id' is mapped as follows. @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @NotNull @Column(name = "id") private Long id; However, Oracle doesn't support auto increment. Hence sequence generator is set up for the field id of table. The respective entity mapping for 'id' should be changed as below. @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @NotNull @Column(name = "id") private Long id; @SequenceGenerator(initialValue=1, sequenceName="INVOICE_SEQ",allocationSize=1,name="invoice_seq_name") @GeneratedValue(generator="invoice_s...