diff --git a/InvDB.sql b/InvDB.sql
new file mode 100644
index 0000000..f43ff84
--- /dev/null
+++ b/InvDB.sql
@@ -0,0 +1,107 @@
+Create database invi_app;
+use invi_app;
+use invi;
+
+Create table user(  userId varchar(15) NOT NULL primary key,
+  username varchar(233) NOT NULL,
+  password varchar(233) NOT NULL,
+  logDate date ,
+  logTime time,
+  role int
+);
+
+Alter table user ADD role int;
+
+CREATE TABLE department(
+  deptid varchar(3) NOT NULL,
+  deptname varchar(255) NOT NULL,
+  Constraint d_pk primary key(deptid)
+);
+
+CREATE TABLE faculty(
+  fid varchar(15) NOT NULL primary key,
+  fname varchar(233) NOT NULL,
+  deptid varchar(233) NOT NULL,
+  femail varchar(255) NOT NULL,
+  fphone varchar(255) NOT NULL,
+  Constraint f_fk foreign key(fid)  references user(userId)
+); 
+ALTER TABLE faculty ADD mon varchar(30),
+ADD tue varchar(30),
+ADD wed varchar(30),
+ADD thu varchar(30),
+ADD fri varchar(30),
+ADD sat varchar(30);
+
+CREATE TABLE classroom (
+  roomno int(255) NOT NULL primary key,
+  capacity int(255) NOT NULL
+);
+
+Create table course(
+Courseid varchar(100) primary key,
+Cname varchar(100)
+ );
+ 
+ create table branch(
+deptid varchar(3) NOT NULL ,
+sec varchar(1),
+nos int,
+primary key(deptid,sec),
+Constraint b_fk foreign key(deptid) references department(deptid)
+);
+
+create table course_branch(
+Courseid varchar(100) not null,
+deptid varchar(3) NOT NULL ,
+sec varchar(1) not null,
+primary key(deptid,sec,Courseid),
+Constraint cb_fk foreign key(deptid,sec) references branch(deptid,sec),
+Constraint cb_fk1 foreign key(Courseid) references course(Courseid)
+);
+
+CREATE TABLE  exam(
+   examid int(23) NOT NULL primary key,
+   examdate date NOT NULL,
+   courseid varchar(100),
+   Constraint e_fk foreign key(courseid) references course(Courseid)
+);
+
+Create table coe(
+Coeid varchar(15),
+ndays int,
+sdate date not null,
+edate date not null,
+cdate date not null,
+primary key(Coeid,sdate,edate),
+constraint c_fk foreign key(Coeid) references user(userId)
+);
+Create table allocation(
+Examid int(23),
+courseid varchar(100),
+Rnos int not null,
+Roomno int(255) ,
+Invid varchar(15),
+Conf varchar(2),
+primary key(Examid,Roomno),
+Constraint a_fk1 foreign key(courseid) references course(Courseid),
+Constraint a_fk2 foreign key(Examid) references exam(Examid),
+Constraint a_fk3 foreign key(Roomno) references classroom(roomno),
+Constraint a_fk4 foreign key(Invid) references faculty(fid)
+);
+
+Insert into user (userId,username,password,logDate,logTime,role) values 
+('T12','Lathika','lathi123','2019-11-09','19:20:10',0),
+('C10','Lokesh','lok123','2019-11-09','13:20:10',1),
+('T11','Srehari','sre123','2019-11-07','19:20:10',0);
+
+delete from user where userId=12345;
+
+select * from allocation;
+select * from classroom;
+select * from coe;
+select * from course;
+select * from department;
+select * from exam;
+select * from faculty;
+select * from user;