<div>
Why don't you update the column to deduct 1000 for all the records above 1900 <br />
<br />
update table <br />
set columna = columna - 1000 <br />
where columnA &gt;=1900
</div>


Why don't you update the column to deduct 1000 for all the records above 1900

update table
set columna = columna - 1000
where columnA >=1900

<div>
<div class="content wysiwyg-content">
Experts,<br />
<br />
I have a four-digit column (columna) that begins with either &quot;18&quot; or &quot;19&quot;. &nbsp;If the column begins with &quot;19&quot;, I would like to substitute with &quot;18&quot; for lookup purposes.<br />
<br />
Can you tell me how to do this in SAS?
</div>
</div>


Experts,

I have a four-digit column (columna) that begins with either "18" or "19".  If the column begins with "19", I would like to substitute with "18" for lookup purposes.

Can you tell me how to do this in SAS?

Substituting &quot;19xx&quot;  with &quot;18xx&quot;

Databases are organized collections of data, most commonly accessed through management systems including schemas, tables, queries and processes that allow users to enter and manipulate the information or utilize it in other fashions, such as with web applications or for reporting purposes.

Substituting &quot;19xx&quot; with &quot;18xx&quot;

Substituting "19xx" with "18xx"