diff --git a/MySQL/Skript_DDL.sql b/MySQL/Skript_DDL.sql
index 3e6c4fb..a1229b5 100644
--- a/MySQL/Skript_DDL.sql
+++ b/MySQL/Skript_DDL.sql
@@ -72,7 +72,7 @@ FOREIGN KEY (`location_fk`) REFERENCES `location`(`location_id`) ON DELETE CASCA
 
 CREATE TABLE IF NOT EXISTS DeviceType (
 deviceType_id INT UNSIGNED NOT NULL AUTO_INCREMENT,
-manifacturer VARCHAR(255) NOT NULL,
+manufacturer VARCHAR(255) NOT NULL,
 model VARCHAR(255) NOT NULL,
 version VARCHAR(255) NULL,
 PRIMARY KEY (deviceType_id)
@@ -128,20 +128,18 @@ FOREIGN KEY (network_fk) REFERENCES Network (network_id)ON DELETE CASCADE,
 FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE
 );
 
-CREATE TABLE IF NOT EXISTS Medium (
-medium_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
-description VARCHAR(45) NOT NULL,
-device_fk INT UNSIGNED NOT NULL,
-FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE
+CREATE TABLE IF NOT EXISTS Transportmedium (
+transportmedium_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+description VARCHAR(45) NOT NULL
 );
 
-CREATE TABLE IF NOT EXISTS Port (
-port_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+CREATE TABLE IF NOT EXISTS Deviceport (
+deviceport_id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
 description VARCHAR(45) NOT NULL,
 device_fk INT UNSIGNED NOT NULL,
-medium_fk INT UNSIGNED NOT NULL,
+transportmedium_fk INT UNSIGNED NOT NULL,
 FOREIGN KEY (device_fk) REFERENCES Device (device_id)ON DELETE CASCADE,
-FOREIGN KEY (Medium_fk) REFERENCES Medium (medium_id)ON DELETE CASCADE
+FOREIGN KEY (transportmedium_fk) REFERENCES Transportmedium (transportmedium_id)ON DELETE CASCADE
 );
 
 CREATE Table IF NOT EXISTS Log (
diff --git a/MySQL/Skript_DML.sql b/MySQL/Skript_DML.sql
index fb980fe..0c66675 100644
--- a/MySQL/Skript_DML.sql
+++ b/MySQL/Skript_DML.sql
@@ -68,7 +68,7 @@ VALUES
 (4,'192.168.1.0','255.255.255.0',1,'Labor'),
 (5,'192.168.128.0','255.255.255.127',1,'Integration');
 
-INSERT INTO DevicesTypes(manifacture, model, version)
+INSERT INTO DeviceType (manufacturer, model, version)
 VALUES
 ('Cisco','Router',''),
 ('Avaya','PBX',''),
@@ -77,7 +77,7 @@ VALUES
 ('Cisco','FireWall','');
 
 
-INSERT INTO Devices (location_fk, deviceTypes_fk, inventoryDate, deactivateDate, hostname, domain, description)
+INSERT INTO Device (location_fk, deviceType_fk, inventoryDate, deactivateDate, hostname, domain, description)
 VALUES
 (1,1,'2018-12-31','2019-12-31','CiscoR1','ch.zbw','Keller'),
 (1,1,'2007-10-29','2008-10-29','CSTA003','ch.zbw','OG6'),
@@ -85,13 +85,28 @@ VALUES
 (3,1,'2018-06-06','2019-02-12','CiscoR006','ch.scs','Keller'),
 (1,1,'2018-02-01','2020-12-02','Cisco-PRT-032','ch.zbw','Kantine');
 
-INSERT INTO Interfaces (interface_id, network_id_fk, devices_id_fk, ip_adress_v4, isFullDuplex, bandwith, description)
+INSERT INTO Deviceport (description, device_fk, transportmedium_fk)
 VALUES
-(1,3,1,'172.129.1.5',1,10000,''),
-(2,3,4,'172.129.1.6',1,10000,''),
-(3,1,5,'10.36.0.253',1,10000,''),
-(4,5,4,'192.168.128.192',1,10000,''),
-(5,3,3,'172.129.5.9',1,100,'');
+('GigabitEthernet 0/1', 1, 0),
+('FastEtherne 0/1', 2, 1),
+('FastEtherne 0/1', 2, 1),
+('Etherne 0/1', 4, 2),
+('FastEtherne 0/1', 2, 1);
+
+INSERT INTO Interface (interface_id, network_fk, device_fk, ip_adress_v4, mac_adresse, isFullDuplex, bandwith, is_in_use, description)
+VALUES
+(1,3,1,'172.129.1.5','0025:96FF:FE12:3456',1,10000,0,''),
+(2,3,4,'172.129.1.6','0025:96FF:FE12:3457',1,10000,0,''),
+(3,1,5,'10.36.0.253','0025:96FF:FE12:3458',1,10000,0,''),
+(4,5,4,'192.168.128.192','0025:96FF:FE12:3459',1,10000,0,''),
+(5,3,3,'172.129.5.9','0025:96FF:FE12:3455',1,100,0,'');
+
+INSERT INTO Transportmedium (description)
+VALUES
+('LWL'),
+('RJ45'),
+('RJ11'),
+('COM');
 
 INSERT INTO operatingsystem (operatingsystem_id, operatingsystemName, model, version)
 VALUES
diff --git a/MySQL/View_Netzwerkinterface.sql b/MySQL/View_Netzwerkinterface.sql
new file mode 100644
index 0000000..380cbe9
--- /dev/null
+++ b/MySQL/View_Netzwerkinterface.sql
@@ -0,0 +1,20 @@
+CREATE VIEW
+	view_freiesInterface (LocationName, Hostname, Portnummer, Medium, Geschwindigkeit)
+    AS
+		SELECT 
+			CONCAT_WS(building, room),
+            device.hostname,
+            deviceport.description,
+            transportmedium.description,
+            bandwith
+		FROM
+			device INNER JOIN location 
+				ON location_fk=location_id
+			INNER JOIN deviceport
+				ON device_fk = device_id
+			INNER JOIN transportmedium
+				ON device_fk = device_id
+			INNER JOIN interface
+				ON interface.device_fk = device_id
+		WHERE interface.is_in_use = 0
+;
\ No newline at end of file
diff --git a/MySQL/erm.mwb b/MySQL/erm.mwb
index 79f7b75..f6404f3 100644
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diff --git a/MySQL/erm.mwb.bak b/MySQL/erm.mwb.bak
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