diff --git a/MySQL/LFitze/1-Erweiterung DDL + DML-LFI.txt b/MySQL/LFitze/1-Erweiterung DDL + DML-LFI.txt
new file mode 100644
index 0000000..7b3b81e
--- /dev/null
+++ b/MySQL/LFitze/1-Erweiterung DDL + DML-LFI.txt	
@@ -0,0 +1,17 @@
+//Erweiterung Abrechnung 
+ALTER TABLE abrechnung
+	ADD date TIMESTAMP DEFAULT NOW();
+	
+ALTER TABLE abrechnung
+	ADD isFakturiert bool DEFAULT false;
+	
+
+//neue Tabelle Rechnung_kunde
+CREATE TABLE rechnung_kunde
+(
+	rgId INT AUTO_INCREMENT PRIMARY KEY,
+    fkAbrechnung INT UNSIGNED ,
+    FOREIGN KEY (fkAbrechnung) REFERENCES abrechnung(abrechnung_id) ON DELETE CASCADE
+);
+	
+	
\ No newline at end of file
diff --git a/MySQL/LFitze/2-SoreProcedur-PodBill-und-Triggerl-LFI.txt b/MySQL/LFitze/2-SoreProcedur-PodBill-und-Triggerl-LFI.txt
new file mode 100644
index 0000000..dfaec07
--- /dev/null
+++ b/MySQL/LFitze/2-SoreProcedur-PodBill-und-Triggerl-LFI.txt
@@ -0,0 +1,40 @@
+//Store Procedure PodBill
+
+DELIMITER //
+CREATE PROCEDURE PodBill
+(
+	_abrechnungsId INT
+)
+
+BEGIN
+	
+    IF EXISTS(SELECT isFakturiert FROM abrechnung WHERE abrechnung_id = _abrechnungsId AND isFakturiert = 1) THEN
+		SIGNAL SQLSTATE '45000'
+			SET MESSAGE_TEXT = 'Fehler: Bestellung bereits verrechnet';
+	END IF;
+    
+	INSERT INTO rechnung_kunde(fkAbrechnung)
+	VALUE(_abrechnungsId);
+     
+END //
+DELIMITER ;
+
+
+//trigger wo 0 zu 1 macht! 
+
+DELIMITER //
+CREATE TRIGGER tr_createRgKunde_after
+	AFTER INSERT
+    ON rechnung_kunde
+    FOR EACH ROW
+
+BEGIN
+	UPDATE abrechnung
+		SET isFakturiert = 1
+        WHERE abrechnung_id = new.fkAbrechnung
+        ;
+  
+END //
+DELIMITER ; 
+
+    
\ No newline at end of file
diff --git a/MySQL/LFitze/3-StoreProcedur-CheckHasBill-und-Event-LFI.txt b/MySQL/LFitze/3-StoreProcedur-CheckHasBill-und-Event-LFI.txt
new file mode 100644
index 0000000..7a2640e
--- /dev/null
+++ b/MySQL/LFitze/3-StoreProcedur-CheckHasBill-und-Event-LFI.txt
@@ -0,0 +1,42 @@
+DELIMITER //
+CREATE EVENT IF NOT EXISTS create_rg_kunde
+	ON SCHEDULE EVERY DAY 
+    
+    DO
+        CALL CheckHasBillProcedure();
+    ;
+DELIMITER ;
+
+
+DELIMITER //
+CREATE PROCEDURE CheckHasBillProcedure
+(
+	
+)
+
+BEGIN
+	DECLARE currentID INT;
+    DECLARE hasNext BOOL DEFAULT TRUE;
+
+	DECLARE myRows CURSOR FOR 
+			SELECT  abrechnung_id From abrechnung
+			WHERE isFakturiert = 0 
+			GROUP BY kundenkonto_fk, date
+			HAVING SUM(betrag) > 100 OR (datediff(now(), abrechnung.date) > 90);
+    
+    DECLARE CONTINUE HANDLER FOR NOT FOUND 
+    SET hasNext = false;
+    
+    OPEN myRows;
+    
+    processingLoop : LOOP
+		FETCH myRows INTO currentId;
+        IF hasNExt = FALSE THEN
+        LEAVE processingLoop;
+        END IF;
+         CALL PodBill(currentId);
+			
+            END LOOP;
+
+END //
+DELIMITER ;
\ No newline at end of file