1.create table course(courseid varchar2(10) Primary
key,coursename varchar2(20) Not Null,sdate date Not Null,edate date
Not Null,duration varchar2(20) Not Null,fee number(10) Not Null)
/--------------------------------------------2.create table
student(suserid varchar2(20) Primary Key,password varchar2(20) Not
Null,secque varchar2(30) Not Null,secans varchar2(30) Not
Null,sfname varchar2(20) Not Null,slname varchar2(20) Not Null,dob
date Not Null,gender varchar2(10) Not Null,graduate varchar2(4) Not
Null,street varchar2(20) Not Null,city varchar2(20) Not Null,state
varchar2(20) Not Null,country varchar2(20) Not Null,zipcode
number(10) Not Null,email_id varchar2(30) Not Null,phoneno
number(15) Not Null,courseid varchar2(5) references
course(courseid),result
varchar2(10))/----------------------------------------------3.create
table faculty(fuserid varchar2(20) Primary Key,password
varchar2(20) Not Null,secque varchar2(30) Not Null,secans
varchar2(20) Not Null,ffname varchar2(20) Not Null,flname
varchar2(20) Not Null,dob date Not Null,gender varchar2(10) Not
Null,graduate varchar2(4) Not Null,postgrad varchar2(4) Not
Null,street varchar2(20) Not Null,city varchar2(20) Not Null,state
varchar2(20) Not Null,country varchar2(20) Not Null,zipcode
number(10) Not Null,email_id varchar2(30) Not Null,phoneno
number(15) Not Null,courseid varchar2(5) references
course(courseid),status varchar2(15) Not
Null)/-------------------------------------------------4.create
table ccard(cardnum varchar2(20) Not Null,cardpin varchar2(20) Not
Null,expdate date Not Null,suserid varchar2(20) references
student(suserid) ON DELETE
CASCADE)/-------------------------------------------------5.create
table creditcard(cardnum varchar2(20),cardpin varchar2(20),expdate
date Not Null,accnum varchar2(20) Primary
Key)/-------------------------------------------------6.create
table admin(auserid varchar2(20) Primary Key,pwd varchar2(20) Not
Null,designation varchar2(20) Not
Null)/-------------------------------------------------7.create
table astu(sannouncement varchar2(100) Not Null,auserid
varchar2(20) references
admin(auserid))/-------------------------------------------------8.create
table afac(fannouncement varchar2(100) Not Null,auserid
varchar2(20) references
admin(auserid))/-------------------------------------------------9.create
table upload(fuserid varchar2(20) references faculty(fuserid) ON
DELETE CASCADE,courseid varchar2(5) references course(courseid) ON
DELETE CASCADE,topic varchar2(40) Not Null,filename varchar2(100)
Not Null,status varchar2(20) Not Null,upid number(5) Not
Null)/------------------------------------------------- 10.create
table leave(fuserid varchar2(20) references faculty(fuserid) ON
DELETE CASCADE,name varchar2(20) Not Null,mail varchar2(30) Not
Null,reason varchar2(100) Not Null,appdate date Not Null,status
varchar2(20) Not Null,lid number(5) Not
Null)/-----------------------------------------------------------11.create
table feedback(suserid varchar2(20) references student(suserid) ON
DELETE CASCADE,name varchar2(20) Not Null, course varchar2(20)
references course(courseid) ON DELETE CASCADE,suggestions
varchar2(100) Not Null,sentdate date Not Null,status varchar2(10)
Not Null,feedid number(5) Not
Null)/-------------------------------------------------------------12.create
table submitmsg(author varchar(20) Not Null,mail varchar(25) Not
Null,subject varchar(30) Not Null,courseid varchar(6) references
course(courseid) ON DELETE CASCADE,msg varchar(200) Not Null,day
varchar(25) Not Null,quesid varchar(6) Primary
Key)/--------------------------------------------------------------13.create
table responsemsg(author varchar(20) Not Null,mail varchar(25) Not
Null,subject varchar(30) Not Null,courseid varchar(6) references
course(courseid) ON DELETE CASCADE,msg varchar(200) Not Null,day
varchar(25) Not Null,ansid varchar(5) Not Null,quesid varchar(6)
references submitmsg(quesid),Primary
Key(ansid,quesid))/----------------------------------------------------------------14.create
table key(qno number(10),ques varchar2(20),ch1 varchar2(10),ch2
varchar2(10),ch3 varchar2(10),ch4 varchar2(10),time
date)/------------------------------------------------------------------15.create
table ans(ans
number(10))/------------------------------------------------------------------16.create
sequence lea increment by 1 start with
1/--------------------------------------------------------------------17.create
sequence feed increment by 1 start with
1/--------------------------------------------------------------------18.create
sequence disc increment by 1 start with
1/-----------------------------------------------------------------19.insert
into admin
values('&auserid','&pwd','&designation');-----------------------------------------------------------------
