JPA/Hibernate duvida qual anotação usar para classes com herança

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.PrimaryKeyJoinColumn;

import javax.persistence.Table;

import javax.persistence.SequenceGenerator;

import javax.persistence.GeneratedValue;

import javax.persistence.GenerationType;

import <a href="http://javax.persistence.Id">javax.persistence.Id</a>;

import javax.persistence.Inheritance;

import javax.persistence.InheritanceType;

@Entity

@Table(name=“Pessoa”)

@SequenceGenerator(name=“nome-seq”, sequenceName=“nome-seq”) – se usar sequence

@Inheritance(strategy=InheritanceType.JOINED)

public class Pessoa {

@Id
@GeneratedValue(strategy=GenerationType.AUTO, generator="nome-seq") -- se usar sequence
@Column(name="id")
private Long id;

@Column(name="nome", length=60)
private String nome;

@Column(name="dataInscricao")
private Date dataInscricao;

    ....

@Entity

@Table(name=“Fisica”)

@PrimaryKeyJoinColumn(name=“id”)

public class Fisica extends Pessoa {

@Column(name="nrCPF")
private String nrCPF;

    ...

@Entity

@Table(name=“Juridica”)

@PrimaryKeyJoinColumn(name=“id”)

public class Juridica extends Pessoa {

@Column(name="nrCNPJ")
private String nrCNPJ;

    ...

@Entity
@Table(name="OPERATION")
public class UserOperation{

	@Id
	@GeneratedValue
	@Column(name = "OP_ID")	


-- tabela gerada

CREATE TABLE  operation(
  `OP_ID` bigint(20) NOT NULL auto_increment
  PRIMARY KEY  (`OP_ID`)
) ENGINE=InnoDB AUTO_INCREMENT=42 DEFAULT CHARSET=latin1;