SalesAccounting.java

@Entity
public class SalesAccounting implements Serializable {

    @Id
    @Column(name = "employee")
    private String employeeName;

    @Column(name = "conversion_rate")
    private Float conversionRate;

    @Column(name = "sales_amount")
    private Integer salesAmount;

    @Column(name = "item_sales_amount")
    private Integer itemSalesAmount;

    @Column(name = "attendance_amount")
    private Integer attendanceAmount;

    //...
 }