𝗣𝗼𝗹𝗶𝘁𝗶𝗰𝗮𝗹 𝗶𝘀𝘀𝘂𝗲𝘀, 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝘁𝘆 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗦𝗼𝗰𝗶𝗮𝗹 𝗶𝘀𝘀𝘂𝗲𝘀 & 𝗛𝘂𝗺𝗮𝗻𝗶𝘁𝗮𝗿𝗶𝗮𝗻 𝗶𝘀𝘀𝘂𝗲𝘀.
if the data has not been changed, no new rows will appear.