𝙱𝚎 𝚊 𝚐𝚘𝚘𝚍 𝚙𝚎𝚛𝚜𝚘𝚗 𝚒𝚗 𝚛𝚎𝚊𝚕 𝚕𝚒𝚏𝚎 𝚗𝚘𝚝 𝚘𝚗 𝚜𝚘𝚌𝚒𝚊𝚕 𝚖𝚎𝚍ia.
if the data has not been changed, no new rows will appear.