# Database specification ## Lesson IDs `lesson_id` and `g*` equivalents of lessons. - Academic Writing - 'aw' - Biology - 'bi' - Business Management - 'bm' - Chemistry - 'ch' - Computer Science - 'cs' - Economics - 'ec' - English A - 'ena' - English B - 'enb' - French - 'fr' - Geography - 'ge' - German - 'de' - Guidance - 'gu' - Mathematical Studies - 'mst' - Mathematics HL - 'mhl' - Mathematics SL - 'msl' - Polish A - 'pl' - Psychology - 'ps' - Self-Taught Language A - 'st' - Spanish - 'es' - Theory of Knowledge - 'tok' - Turkish A - 'tr' - Visual Arts - 'va'