title: what is numeric(18, 0) in sql server 2008 r2
body: <p>I found a table with this a column from this data type </p>
  
  <pre><code>numeric(18, 0)
  </code></pre>
  
  <p>what is that please?  and why does <code>0</code> and <code>18</code> mean</p>
  
  <p>I already check this question <a href="https://stackoverflow.com/questions/1056323/difference-between-numeric-float-and-decimal-in-sql-server">Difference between numeric, float and decimal in SQL Server</a> but couldn't understand it.\</p>
  
  <p>can I add (-10) in that column?</p>
  
  <p>can I add all negative number in that column?</p>
  
  <p>can I add any positive number in that column?</p>
  
  <h3>Update 1</h3>
  
  <p>This is a sample of the data I found in that column</p>
  
  <pre><code>100
  263
  13
  2
  9
  4
  3
  3
  28
  15
  33
  16
  135
  50
  64
  60
  100
  500
  150
  </code></pre>
  
  <p>Update 2
  Is it possible to have <code>-</code> and <code>+</code> ?</p>