SELECT teacher.tch_name, progress.dat, subject.subj_name FROM teacher, subject

SELECT tch_nam, dat, subj_name FROM teacher, subject WHERE progress.id_subj=subject.id_subj AND ON subject.id_tch=teacher.id_tch

SELECT teacher.tch_name, progress.dat, subject.subj_name FROM teacher, subject WHERE progress.id_subj=subject.id_subj AND ON subject.id_tch= teacher. id_tch

SELECT DISTINCT teacher.tch_name, progress.dat, subject.subj_name FROM teacher INNER JOIN subject INNER JOIN progress ON progress.id_subj= subject.id_subj ON subject.id_tch= teacher.id_tch

SELECT DISTINCT teacher.tch_name, progress.dat, subject.subj_name FROM teacher INNER JOIN subject INNER JOIN progress