SQL Statements simplified and some bugfixing

install/mysql_sample.sql

@@ -1,19 +1,23 @@
 INSERT INTO asset (asset_name, assetclass_id) VALUES
 ('Computer', 1),
-('Server', 2),
-('Printer', 3);
+('Server', 3),
+('Printer', 4),
+('Firewall', 6);
 
 INSERT INTO assetclass (assetclassgroup_id, assetclass_name) VALUES
 (1, 'Desktop'),
 (1, 'Notebook'),
 (2, 'Server'),
-(3, 'Printers'),
-(4, 'Scanners');
+(3, 'Printer'),
+(4, 'Switch'),
+(4, 'Firewall'),
+(5, 'Scanner');
 
 INSERT INTO assetclassgroup (assetclassgroup_name, assetclassgroup_color) VALUES
 ('Personal Computer', '000000'),
 ('Servers', '0000CC'),
 ('Periphery', '00CC00'),
+('Network', 'CCCC00'),
 ('Miscellaneous', 'CC0000');
 
 INSERT INTO location (location_name, location_parent) VALUES
@@ -22,9 +26,13 @@ INSERT INTO location (location_name, location_parent) VALUES
 ('Branch Office B', 1);
 
 INSERT INTO node (node_ip, node_mac, subnet_id, asset_id) VALUES
-('192.168.1.2', '001122334455', 1, 1),
-('192.168.1.1', 'aabbccddeeff', 1, 2),
-('192.168.0.1', '667755441122', 2, 3);
+('192.168.0.10', '001122334455', 1, 1),
+('192.168.0.11', 'aabbccddeeff', 1, 2),
+('192.168.0.12', '775544881199', 1, 3),
+('192.168.0.1', '667755441122', 1, 4),
+('192.168.1.1', '667755441123', 2, 4),
+('192.168.10.1', '667755441124', 3, 4),
+('192.168.20.1', '667755441125', 4, 4);
 
 INSERT INTO subnet (subnet_address, subnet_mask) VALUES
 ('192.168.0.0', 24),