title: pymssql sql update statement
body: <p>I have the below syntax. The first cursor.execute \ fetchone pulls back the one row that I want to update. But when I try to run the update query, it updates multiple records.  </p>
  
  <pre><code>cursor.execute("Select * FROM [DisneyConvoIndex] where [ConversationBaseIndex]=%s order by length DESC;", '0101CFE27C560BEB6C1073FBF741997D79EDBD4610AC')
  
  row = cursor.fetchone()
  
  for row in row:
      cursor.execute("UPDATE [DisneyConvoIndex] set [toreview] = 'yes'")
  </code></pre>