diff --git a/Library.zip b/Library.zip
index 132c719..de0a790 100644
Binary files a/Library.zip and b/Library.zip differ
diff --git a/biblioteka.db b/biblioteka.db
index 5e28ae1..4aa2a27 100644
Binary files a/biblioteka.db and b/biblioteka.db differ
diff --git a/src/library/Album.java b/src/library/Album.java
index 3a66c59..072545c 100644
--- a/src/library/Album.java
+++ b/src/library/Album.java
@@ -21,10 +21,9 @@ public class Album extends Item {
     public Database d = new Database();
 
     Album(int id, String n, String m, String y, String c) {
-           try{
-           this.setYear(Integer.parseInt(y));
-        }
-        catch(NumberFormatException e){
+        try {
+            this.setYear(Integer.parseInt(y));
+        } catch (NumberFormatException e) {
             this.setYear(0);
         }
         this.setId(id);
@@ -54,12 +53,12 @@ public class Album extends Item {
 
     @Override
     public void delFromDB() throws SQLException {
-
+        d.deleteQ(this);
     }
 
     @Override
     public void editInDB() throws SQLException {
-
+        d.updateQ(this);
     }
 
     public void setMusican(String s) {
diff --git a/src/library/AlbumFieldPattern.java b/src/library/AlbumFieldPattern.java
index 88b5d07..aa6f23b 100644
--- a/src/library/AlbumFieldPattern.java
+++ b/src/library/AlbumFieldPattern.java
@@ -229,7 +229,7 @@ public class AlbumFieldPattern extends javax.swing.JFrame {
         } else if (this.update) {
             Album a = new Album(Integer.parseInt(idValue.getText()), albumTitle.getText(), musican.getText(), year.getText(), Category.getSelectedItem().toString());
             try {
-                d.updateQ(a);
+                a.editInDB();
             } catch (SQLException e) {
                 e.printStackTrace();
             }
diff --git a/src/library/Book.java b/src/library/Book.java
index a58cc17..5d26380 100644
--- a/src/library/Book.java
+++ b/src/library/Book.java
@@ -62,12 +62,12 @@ public class Book extends Item {
 
     @Override
     public void delFromDB()  throws SQLException  {
-
+        d.deleteQ(this);
     }
 
     @Override
     public void editInDB()  throws SQLException {
-
+        d.updateQ(this);
     }
 
     public void setPublishing(String s) {
diff --git a/src/library/BookFieldPattern.java b/src/library/BookFieldPattern.java
index 60b9668..b5337a3 100644
--- a/src/library/BookFieldPattern.java
+++ b/src/library/BookFieldPattern.java
@@ -311,7 +311,7 @@ public class BookFieldPattern extends javax.swing.JFrame {
         } else if (this.update) {
             try {
                 Book b = new Book(Integer.parseInt(idValue.getText()), bookTitle.getText(), authorName.getText(), authorSurname.getText(), year.getText(), ISBN.getText(), publishing.getText(), Category.getSelectedItem().toString());
-                d.updateQ(b);
+                b.editInDB();
             } catch (SQLException e) {
                 e.printStackTrace();
             }
diff --git a/src/library/ListResult.java b/src/library/ListResult.java
index 53d7e6f..03ac290 100644
--- a/src/library/ListResult.java
+++ b/src/library/ListResult.java
@@ -173,7 +173,7 @@ public class ListResult extends javax.swing.JFrame {
             Book b = new Book();
             b.setId((Integer) table.getValueAt(selectedRowIndex, 0));
             try {
-                d.deleteQ(b);
+                b.delFromDB();
             } catch (SQLException ex) {
                 System.out.println("błąd usuwania SQL");
             }
@@ -181,7 +181,7 @@ public class ListResult extends javax.swing.JFrame {
             Movie m = new Movie();
             m.setId((Integer) table.getValueAt(selectedRowIndex, 0));
             try {
-                d.deleteQ(m);
+                m.delFromDB();
             } catch (SQLException ex) {
                 System.out.println("błąd usuwania SQL");
             }
@@ -189,7 +189,7 @@ public class ListResult extends javax.swing.JFrame {
             Album a = new Album();
             a.setId((Integer) table.getValueAt(selectedRowIndex, 0));
             try {
-                d.deleteQ(a);
+                a.delFromDB();
             } catch (SQLException ex) {
                 System.out.println("błąd usuwania SQL");
             }
diff --git a/src/library/Movie.java b/src/library/Movie.java
index b215bfa..5e1ccca 100644
--- a/src/library/Movie.java
+++ b/src/library/Movie.java
@@ -5,7 +5,6 @@
  */
 package library;
 
-
 import java.sql.SQLException;
 import java.sql.Statement;
 import javax.swing.JOptionPane;
@@ -16,7 +15,6 @@ import javax.swing.JOptionPane;
  */
 public class Movie extends Item {
 
-
     private String director;
     private Database d = new Database();
 
@@ -25,10 +23,9 @@ public class Movie extends Item {
     }
 
     Movie(int id, String n, String d, String y, String c) {
-           try{
-           this.setYear(Integer.parseInt(y));
-        }
-        catch(NumberFormatException e){
+        try {
+            this.setYear(Integer.parseInt(y));
+        } catch (NumberFormatException e) {
             this.setYear(0);
         }
         this.setId(id);
@@ -58,12 +55,12 @@ public class Movie extends Item {
 
     @Override
     public void delFromDB() throws SQLException {
-        String query = "DELETE FROM books WHERE id=" + this.getId() + ";";
+        d.deleteQ(this);
     }
 
     @Override
     public void editInDB() throws SQLException {
-
+        d.updateQ(this);
     }
 
     public String getDirector() {
diff --git a/src/library/MovieFieldPattern.java b/src/library/MovieFieldPattern.java
index 6f02808..6f00acb 100644
--- a/src/library/MovieFieldPattern.java
+++ b/src/library/MovieFieldPattern.java
@@ -224,7 +224,7 @@ public class MovieFieldPattern extends javax.swing.JFrame {
         } else if (this.update) {
             Movie m = new Movie(Integer.parseInt(idValue.getText()), movieTitle.getText(), director.getText(), year.getText(), Category.getSelectedItem().toString());
             try {
-                d.updateQ(m);
+                m.editInDB();
             } catch (SQLException e) {
                 e.printStackTrace();
             }