/SQL/Database schema for mcqs type exam in sql

Database schema for mcqs type exam in sql

CREATE  TABLE users (
  id int(10) auto_increment primary key,
  username VARCHAR(45) NOT NULL ,
  password VARCHAR(45) NOT NULL ,
  enabled TINYINT NOT NULL DEFAULT 1
);

CREATE TABLE questions (
    id int(10) auto_increment primary key,
    question varchar(800) NOT NULL,
    right_option int(10) NOT NULL references options(id)
);

CREATE TABLE options (
    id int(10) auto_increment primary key,
    question_id int(10) NOT NULL references questions(id),
    `option` varchar(150) NOT NULL
);

CREATE TABLE exam_details (
    id int(10) auto_increment primary key,
    username varchar(45) NOT NULL references users(username),
    date_of_exam date not null,
    exam_result varchar(10) NOT NULL, -- PASS/FAIL
    exam_score int(10) NOT NULL,      -- e.g. 40 
    no_of_questions int(10) NOT NULL  -- total no. of questions in the test
);     

CREATE TABLE user_answers (
    id int(10) auto_increment primary key,
    userId int(10) NOT NULL references users(id),
    question_id int(10) NOT NULL references questions(id),
    answer int(10) NOT NULL references options(id)
);

Source: stackoverflow.com

Similar codes

4 votes367 views2 answers
Oracle unlock user
SQL
0 vote355 views1 answer
Java input type sql date
SQL
0 vote364 views1 answer
Find duplicate users by email address in mysql
SQL
0 vote348 views1 answer
Eliminar ultimo carcacter mysql
SQL
5 votes353 views1 answer
Ascending order and where in sql
SQL
0 vote330 views1 answer
How to drop columns with constraint from a table in sql script
SQL
3 votes382 views4 answers
Ubuntu stop mysql
SQL
7 votes349 views3 answers
Postgre describe table
SQL
1 vote362 views2 answers
Install mysqldump ubuntu
SQL
0 vote394 views1 answer
Gcloud sql list databases
SQL