Change student_attendance table

@@ -15,7 +15,8 @@ FOREIGN KEY (student_id) REFERENCES student(student_id)
 CREATE TABLE student_attendance(
 lecture_id VARCHAR(20) NOT NULL,
 student_id VARCHAR(10) NOT NULL,
-attendance_date DATE NOT NULL, 
+attendance_time DATETIME NOT NULL, 
+status VARCHAR(10) NOT NULL,
 FOREIGN KEY (lecture_id) REFERENCES lecture(lecture_id),
 FOREIGN KEY (student_id) REFERENCES student(student_id)
 );