diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java b/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
index eadf86f..87228d1 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
@@ -10,12 +10,14 @@ import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
 import javax.persistence.Table;
 @Entity
 @Table(name="estudio")
 public class Estudio {  
     @Id
-    @GeneratedValue(strategy=GenerationType.IDENTITY)    
+    @GeneratedValue(strategy=GenerationType.IDENTITY) 
+    @Column(name="id")   
     private long id;
     @Column(name="tipo_de_studio")
     private String tipoDeEstudio;
@@ -34,8 +36,7 @@ public class Estudio {
     @JoinColumn
     private Postulante postulante;
     
-    @ManyToOne
-    @JoinColumn
+    @OneToMany(mappedBy = "estudio")
     private List<EstudioReconocimiento> estudioReconocimiento;
     
     
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java b/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
index 8a657cb..47b92a1 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
@@ -15,6 +15,7 @@ import javax.persistence.Table;
 public class EstudioReconocimiento {
     @Id
     @GeneratedValue(strategy=GenerationType.AUTO)
+    @Column(name="id")
     private Long id;
     @Column(name="nombre")
     private String nombre;
@@ -22,15 +23,8 @@ public class EstudioReconocimiento {
     private String certificado;
     @ManyToOne
     @JoinColumn
-    private Postulante postulante;
+    private Estudio estudio;
     
-    public Postulante getPostulante() {
-		return postulante;
-	}
-
-	public void setPostulante(Postulante postulante) {
-		this.postulante = postulante;
-	}
 
 	public EstudioReconocimiento(Long id, String nombre, String certificado) {
         this.id = id;
@@ -61,4 +55,10 @@ public class EstudioReconocimiento {
     public void setCertificado(String certificado) {
         this.certificado = certificado;
     }
+    public Estudio getEstudio() {
+        return estudio;
+    }
+    public void setEstudio(Estudio estudio) {
+        this.estudio = estudio;
+    }
 }
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java b/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
index 5f5a687..00a01c9 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
@@ -24,6 +24,9 @@ public class Experiencia {
     private String referencias;
     @Column(name = "cargo")
     private String cargo;
+    @ManyToOne
+    @JoinColumn
+    private Postulante postulante;
 
     public long getId() {
         return id;
@@ -61,5 +64,10 @@ public class Experiencia {
     public void setCargo(String cargo) {
         this.cargo = cargo;
     }
-
+    public void setPostulante(Postulante postulante) {
+        this.postulante = postulante;
+    }
+    public Postulante getPostulante() {
+        return postulante;
+    }
 }
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaReconocimiento.java b/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaReconocimiento.java
index 1d8d918..83a1f36 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaReconocimiento.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaReconocimiento.java
@@ -7,11 +7,13 @@ import javax.persistence.*;
 public class ExperienciaReconocimiento {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name="id")
     private long id;
-    @Column(name ="experiencia_id")
-    private long experienciaId;
-    @Column(name = "tecnologia_id")
-    private long tecnologiaId;
+    
+    @ManyToOne
+    @JoinColumn
+    private Experiencia experiencia;
+  
     @Column(name = "nivel")
     private long nivel;
 
@@ -21,17 +23,11 @@ public class ExperienciaReconocimiento {
     public void setId(long id) {
         this.id = id;
     }
-    public long getExperienciaId() {
-        return experienciaId;
+    public Experiencia getExperiencia() {
+        return experiencia;
     }
-    public void setExperienciaId(long experienciaId) {
-        this.experienciaId = experienciaId;
-    }
-    public long getTecnologiaId() {
-        return tecnologiaId;
-    }
-    public void setTecnologiaId(long tecnologiaId) {
-        this.tecnologiaId = tecnologiaId;
+    public void setExperiencia(Experiencia experiencia) {
+        this.experiencia = experiencia;
     }
     public long getNivel() {
         return nivel;
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaTecnologia.java b/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaTecnologia.java
index 2747d58..cb5d42a 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaTecnologia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/ExperienciaTecnologia.java
@@ -1,5 +1,6 @@
 package com.roshka.modelo;
 
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
@@ -13,6 +14,7 @@ import javax.persistence.Table;
 public class ExperienciaTecnologia {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name="id")
     private Long id;
 
     @ManyToOne
@@ -23,6 +25,7 @@ public class ExperienciaTecnologia {
     @JoinColumn
     private Tecnologia tecnologia;
 
+    @Column(name="nivel")
     private Long nivel;
 
     public Long getId() {
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java b/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
index f4bb4eb..cc4c33c 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
@@ -10,6 +10,7 @@ import java.util.List;
 public class Postulante {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name="id")
     private long id;
 
     @Column(name="nombre")
@@ -49,15 +50,12 @@ public class Postulante {
     private String disponibilidad;
 
     @OneToMany(mappedBy = "postulante")
-    @JoinColumn()
     private List<PostulanteTecnologia> tecnologias;
     
     @OneToMany(mappedBy = "postulante")
-    @JoinColumn()
     private List<Experiencia> experiencias;
 
     @OneToMany(mappedBy = "postulante")
-    @JoinColumn
     private List<Estudio> estudios;
 
     public long getId() {
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java b/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
index db4416a..a22ce03 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
@@ -14,14 +14,13 @@ import javax.persistence.Table;
 public class PostulanteTecnologia {
    @Id 
    @GeneratedValue(strategy = GenerationType.AUTO)
+   @Column(name="id")
    private long id ;
    @Column(name="nivel")
    private Long nivel;
-   @Column(name="tecnologia")
     @ManyToOne()
     @JoinColumn
    private Tecnologia tecnologia;
-   @Column(name="postulante")
    @ManyToOne()
    @JoinColumn
    private Postulante postulante;