𝔗𝔥𝔢 𝔴𝔦𝔰𝔢 𝔭𝔢𝔯𝔰𝔬𝔫 𝔭𝔲𝔱𝔰 𝔱𝔥𝔦𝔫𝔤𝔰 𝔦𝔫𝔱𝔬 𝔱𝔥𝔢𝔦𝔯 𝔭𝔬𝔰𝔦𝔱𝔦𝔬𝔫𝔰, 𝔞𝔫𝔡 𝔱𝔥𝔢 𝔦𝔤𝔫𝔬𝔯𝔞𝔫𝔱 𝔦𝔰 𝔞𝔤𝔞𝔦𝔫𝔰𝔱 𝔱𝔥𝔞𝔱
if the data has not been changed, no new rows will appear.