/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

3 votes133 views1 answer
Sql online test questions and answers
SQL
0 vote111 views1 answer
SQL Server format datetime
SQL
0 vote111 views1 answer
Mysql date time string format for marshmellow field schema
SQL
2 votes113 views1 answer
Mysql set value as null
SQL
0 vote107 views1 answer
Opensuse status MySQL
SQL
6 votes72 views2 answers
Spring data jpa application.properties mysql
SQL
5 votes108 views1 answer
Ignore duplicate rows in sqlite
SQL
18 votes112 views6 answers
Mysql create table
SQL
2 votes68 views4 answers
Mysql change database character set to utf8mb4
SQL
3 votes110 views1 answer
Oracle revoke
SQL