text: DROP TABLE IF EXISTS posts;
  CREATE TABLE posts (
  post_id     integer not null primary key autoincrement,
  comment_no  int,
  username    VARCHAR(20),
  title       VARCHAR(10),
  message     VARCHAR(30),
  date        char,
  pst_pic     image,
  pro_pic     image
  );
  
  DROP TABLE IF EXISTS comments;
  CREATE TABLE comments  (
  comment_id  integer not null primary key autoincrement,
  post_id     VARCHAR(20) ,
  username    VARCHAR(20),
  p_comments  VARCHAR(220)
  /*FOREIGN KEY (post_id) REFERENCES posts(post_id)*/
  );
  
  Drop table if exists users;
  create table users (
  user_id     VARCHAR(20),
  username    VARCHAR(20),
  pro_pic     image,
  post_id     integer,
  foreign key (post_id) references posts(post_id)
  );
  
  INSERT INTO posts VALUES (null, 3, "Siri", "Cosplay Time", "It'll blow your mind.", "27 August 2019", "siricosplay.jpg", "siri.jpg");
  INSERT INTO posts VALUES (null, 0, "Harry", "Night light", "The Night Brings out the color of life.", "26 August 2019", "night-lights.png", "harry.jpg");
  INSERT INTO posts VALUES (null, 0, "Alexandra", "Mood", "Blu eyes make the ocean look pale.", "27 August 2019", "alexandra(p1).jpg", "alexandra.jpg");
  
  INSERT INTO comments VALUES(null, "1", "harry","Nice outfit");
  INSERT INTO comments VALUES(null, "1", "alexandra","Looks great.");
  INSERT INTO comments VALUES(null, "1", "siri","Beautiful");
  
  Insert into users values (1, "Siri", "siri.jpg", null);
  Insert into users values (2, "Harry", "harry.jpg", null);
  Insert into users values (3, "Alexandra", "alexandra.jpg", null);
  