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- CREATE TABLE students (
- id INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
- username VARCHAR(64) NOT NULL,
- password VARCHAR(64),
- email VARCHAR(...)
- UNIQUE KEY (username)
- );
- CREATE TABLE courses (
- id INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
- name VARCHAR(64) NOT NULL
- );
- CREATE TABLE enrollments (
- id INT NOT NULL PRIMARY KEY,
- student_id INT NOT NULL,
- course_id INT NOT NULL,
- UNIQUE KEY (student_id, course_id),
- FOREIGN KEY (student_id) REFERENCES students (id),
- FOREIGN KEY (course_id) REFERENCES courses (id)
- );
- CREATE TABLE assignments (
- id INT NOT NULL PRIMARY KEY,
- course_id INT NOT NULL,
- title VARCHAR(64)
- description VARCHAR(64)
- );
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