title: MySQL flags for an image
body: <p>I have got a column of images in my MySQL database, but I would like to know what column flag I should use? (PK, NN, UQ, BIN, UN, ZF, AI) Or do they even matter? </p>
  
  <p>Edit: maybe I should mention that it's a blob datatype</p>
  
  <p>Thanks..</p>