 	map		int,
 	timestamp	time,
 	ses_no	int,
+	devicetype	char(10),
 	primary key (ahcn)
 )
-(The tables during planning had variables 'type	ecg', 'type	o2', 'type	bpressure'	on the bottom of the 3 reading tables.  I am not sure if these are relevant to the tables or database.  Notify if they are important to add).
+create table account(
+	username	varchar(10),
+	password	varchar(20),
+	primary key (username)
+)	
+
 
 (Unsure if session is relevant or not.  Feel free to ignore or delete it if necessary.)
 create table session(

	o2		int,
	timestamp	time,
	ses_no	int,
	primary key (ahcn)
)
create table bpressure(

	map		int,
	timestamp	time,
	ses_no	int,
	devicetype	char(10),
	primary key (ahcn)
)
create table oximiter(
