SELECT T1.login_name FROM Course_Authors_and_Tutors AS T1 JOIN Courses AS T2 ON T1.author_id = T2.author_id WHERE T2.course_name = "advanced database"
Temukan nama login penulis kursus yang mengajarkan kursus dengan nama "Lanjutan Database".
CREATE TABLE Courses (author_id VARCHAR, course_name VARCHAR); CREATE TABLE Course_Authors_and_Tutors (login_name VARCHAR, author_id VARCHAR)