title: SQL Server: fill a column with random decimal numbers
body: <p>i want my function to generate float numbers ( like : -123.000 , 874.000 ) in range ( like between: 272 and 3357 ) and update every record's <em>"pos_x"</em> field with unique float numbers.
  I write this Code but i see my table's field are all identical and also integer and they are positive.</p>
  
  <p>this is my code : </p> 
  
  <pre><code>UPDATE Driver_tbl
  SET pos_x = (ROUND((RAND()* 10000),0))
  </code></pre>