<?php
$createTablesPg = array(
    "
        CREATE TABLE IF NOT EXISTS student_progress (
            id SERIAL PRIMARY KEY,
            student_id INT NOT NULL,
            teacher_id INT NOT NULL,
            category VARCHAR(100) NOT NULL,
            before_text TEXT,
            after_text TEXT,
            progress_level SMALLINT,
            comment TEXT,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );
    ",

);