/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

19 votes196 views6 answers
What is mySQL
SQL
4 votes197 views2 answers
DB::transaction
SQL
0 vote220 views1 answer
Use mysql in java program
SQL
0 vote191 views1 answer
Postgresql parse json array
SQL
0 vote199 views1 answer
Narural join
SQL
0 vote215 views1 answer
Mysql backup query
SQL
0 vote204 views1 answer
Postpresql relation not found
SQL
0 vote202 views1 answer
Sql remove first character from string
SQL
0 vote175 views1 answer
Separator mysql
SQL
0 vote233 views1 answer
Postgresql inheritance
SQL