diff --git a/backend/src/main/java/mx/uv/Controller/DAO_Administrador.java b/backend/src/main/java/mx/uv/Controller/DAO_Administrador.java
new file mode 100644
index 0000000..0816966
--- /dev/null
+++ b/backend/src/main/java/mx/uv/Controller/DAO_Administrador.java
@@ -0,0 +1,129 @@
+package mx.uv.Controller;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+import mx.uv.Model.Administrador;
+
+
+
+
+public class DAO_Administrador{
+    private static Conexion cn = Conexion.getInstance();
+
+    public static List<Administrador> dameAministradores(){
+         Statement stm = null;
+        ResultSet rs = null;
+        Connection conn = null;
+        List<Administrador> resultado = new ArrayList<>();
+
+        conn = cn.conectar();
+
+        try {
+            String sql = "SELECT * from administrador";
+            stm = conn.createStatement();
+            rs = stm.executeQuery(sql);
+            while (rs.next()) {
+                Administrador u = new Administrador(rs.getInt(1), rs.getString(2), rs.getString(3),rs.getString(4),rs.getString(5));
+                resultado.add(u);
+            }
+        } catch (Exception e) {
+            System.out.println(e);
+        } finally {
+           cerrarConexiones(null, conn);
+        }
+        return resultado;
+    }
+
+    public boolean agregarAdministrador(Administrador administrador){
+        PreparedStatement stm = null;
+        Connection conn = null;
+        boolean msj= false;
+
+        conn = cn.conectar();
+
+        try{
+            String sql ="INSERT INTO `administrador` (`matricula`,`contrasena`, `nombre`, `apellido`) VALUES(?,?,?,?);";
+            stm = (PreparedStatement) conn.prepareStatement(sql);
+            stm.setString(1, administrador.getMatricula());
+            stm.setString(2, administrador.getContrasena());
+            stm.setString(3, administrador.getNombre());
+            stm.setString(4, administrador.getNombre());
+            stm.setString(5, administrador.getApellido());
+
+
+
+        }catch(Exception e) {
+            System.out.println(e);
+        } finally {
+            cerrarConexiones(stm,conn);
+        }
+        return msj;
+    }
+
+    private static void cerrarConexiones(PreparedStatement stm,Connection conn) {
+        if (stm != null) {
+            try {
+                stm.close();
+            } catch (Exception e) {
+                System.out.println(e);
+            }
+            stm = null;
+        }
+        try {
+            conn.close();
+            cn.cerrarConexion();
+        } catch (Exception e) {
+            System.out.println(e);
+        }
+    }
+
+    public static boolean eliminarAdministrador(int idAdministrador){
+        return false;
+    }
+
+    public static boolean editarAdministrador(Administrador administrador){
+        PreparedStatement stm = null;
+        Connection conn = null;
+        boolean verificacion =false;
+        conn = cn.conectar();
+
+        try{
+            String sql ="UPDATE `administrador` SET `matricula` = '"+administrador.getMatricula()+"',`contrasena` = '"+administrador.getContrasena()+"',`nombre` = '"+administrador.getNombre()+"',`apellido` = '"+administrador.getApellido()+"' WHERE `id` = '"+administrador.getId()+"';";
+                stm = conn.prepareStatement(sql);
+                stm.executeUpdate();
+                verificacion = true;
+        }catch (SQLException ex) {
+            System.err.println(ex);
+        }finally{
+            cerrarConexiones(stm, conn);
+            cn.cerrarConexion();
+        }
+    return verificacion;
+    }
+
+    public static Administrador administradorIniciado(String matricula, String contrasena){
+        ResultSet rs = null;
+        Connection conn = null;
+        Administrador administrador =null;
+
+        conn = cn.conectar();
+
+        try {
+            String sql = "SELECT * FROM administrador WHERE matricula = ? AND contrasena = ?";
+            PreparedStatement stmt = conn.prepareStatement(sql);
+            stmt.setString(1, matricula);
+            stmt.setString(2, contrasena);
+            rs = stmt.executeQuery();
+            while (rs.next()) {
+                administrador = new Administrador(rs.getInt(1),rs.getString(2),rs.getString(3),rs.getString(4),rs.getString(5));
+            }
+        } catch (Exception e) {
+            System.out.println(e);
+        } finally {
+           cerrarConexiones(null, conn);
+        }
+        return administrador;
+    }
+}
\ No newline at end of file
diff --git a/backend/src/main/java/mx/uv/Controller/DAO_Carrrera.java b/backend/src/main/java/mx/uv/Controller/DAO_Carrrera.java
index fbe6983..9df5267 100644
--- a/backend/src/main/java/mx/uv/Controller/DAO_Carrrera.java
+++ b/backend/src/main/java/mx/uv/Controller/DAO_Carrrera.java
@@ -43,7 +43,7 @@ public class DAO_Carrrera{
         conn = cn.conectar();
 
         try{
-            String sql ="INSERT INTO `carrera` (`area`,`nombre`, `modalidad`, `campus`, `costo`) VALUES(?,?,?,?);";
+            String sql ="INSERT INTO `carrera` (`area`,`nombre`, `modalidad`, `campus`, `costo`) VALUES(?,?,?,?,?);";
             stm = (PreparedStatement) conn.prepareStatement(sql);
             stm.setString(1, carrera.getArea());
             stm.setString(2, carrera.getNombre());
@@ -101,6 +101,6 @@ public class DAO_Carrrera{
         }
     return verificacion;
     }
-
+    
     
 }
\ No newline at end of file