coursera-glossary/feedback_course_ratings.html at master · GatechVIP/coursera-glossary · GitHub

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<div>
    <h1>feedback_course_ratings</h1>

    <h2>Description</h2>
    <p>
        Contains data for course ratings
    </p>

    <h2> Columns </h2>
    <table>
        <tr><th>Name</th><th>Description</th></tr>

        <tr>
          <td>course_id</td><td>Course id for the course receiving ratings</td>
        </tr>

        <tr>
          <td>gatech_feedback_user_id</td><td>Encrypted Coursera user id for gatech feedback data.</td>
        </tr>

        <tr>
          <td>feedback_system</td><td>Feedback system: STAR for course ratings</td>
        </tr>

        <tr>
          <td>feedback_rating</td><td>Value of the rating. Should be 1-5 for active course ratings</td>
        </tr>

        <tr>
          <td>feedback_max_rating</td><td>Maximum value of the rating: 5 for course ratings</td>
        </tr>

        <tr>
          <td>feedback_ts</td><td>Timestamp when the feedback was left</td>
        </tr>

    </table>

    <h2>SQL create statement</h2>
    <pre>
CREATE TABLE feedback_course_ratings (
    course_id varchar
    ,gatech_feedback_user_id VARCHAR(50) NOT NULL
    ,feedback_system varchar
    ,feedback_rating int4
    ,feedback_max_rating int4
    ,feedback_ts timestamp
    ,PRIMARY KEY (course_id, feedback_system, gatech_feedback_user_id, feedback_ts)
    ,FOREIGN KEY (course_id) REFERENCES courses(course_id)
);
    </pre>
</div>