Hospital management system database design is uploaded in this page. A database is a collection of information and is systematically stored in tables in the form of rows and columns. The table in the database has unique name that identifies its contents. The database in turn is further described in detail giving all the fields used with the data types, constraints available, primary key and foreign key.

Database design is used to manage large bodies of information. In this database we describe all the 4 tables available in the software, which are used to store all the records.

Data types and its description:   

Fields in database table have a data type. Some of the data types used in database table are explained below.

a)   Integer:-

One optional sign character (+ or -) followed by atleast one digit (0-9). Leading and trailing blanks are ignored. No other character is allowed.

b)  Varchar:-

It is used to store alpha numeric characters. In this data type we can set the maximum number of characters upto 8000 ranges by default SQL server will set the size to 50 characters large.

a)   Date/Time:-

Date/Time data type is used for representing data or time.

Patient Table:

Fields	Data Type	Relationships
Pid	Varchar(5)	Primary Key
name	Varchar(20)	Not Null
age	int	Not Null
weight	int	Not Null
gender	Varchar(10)	Not null
address	Varchar(50)	Not Null
phoneno	int	Not Null
disease	Varchar(20)	Not Null
doctorid	Varchar(5)	Not Null

Doctor Table:

Fields	Data Type	Relationships
doctorid	Varchar(5)	Primary Key
doctorname	Varchar(15)	Not Null
dept	Varchar(15)	Not  Null

Lab Table:

Fields	Data Type	Relationships
labno	Varchar(5)	Primary Key
pid	Varchar(5)	Not Null
weight	int	Not Null
doctorid	Varchar(5)	Foreign Key
date	Date/Time	Not Null
category	Varchar(15)	Not Null
patient_type	Varchar(15)	Not Null
amount	int	Not Null

Inpatient Table:

Fields	Data Type	Relationships
pid	Varchar(5)	Primary Key
room_no	Varchar(50)	Not Null
date_of_adm	Date/Time	Not Null
date_of_dis	Date/Time	Not Null
advance	int	Not Null
labno	Varchar(5)	Foreign Key

Outpatient Table:

Fields	Data Type	Relationships
pid	Varchar(5)	Primary Key
date	Date/Time	Not Null
labno	Varchar(5)	Foreign Key

Room Table:

Fields	Data Type	Relationships
room_no	Varchar(50)	Primary Key
room_type	Varchar(10)	Not Null
status	Varchar(10)	Not Null

Bill Table:

Fields	Data Type	Relationships
bill_no	Varchar(50)	Primary Key
pid	Varchar(5)	Foreign Key
patient_type	Varchar(10)	Allow Null
doctor_charge	int	Not Null
medicine_charge	int	Not Null
room_charge	int	Not Null
oprtn_charge	int	Allow Null
no_of_days	int	Allow Null
nursing_charge	int	Allow Null
advance	int	Allow Null
health_card	Varchar(50)	Allow Null
lab_charge	int	Allow Null
bill	int	Not Null

E-R Diagram

Entity relationship diagram is used in modern database software engineering to illustrate logical structure of database. It is a relational schema database modeling method used to model a system and approach. This approach commonly used in database design. The diagram created using this method is called E-R diagram.

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