public void setDBSecurityGroupName(String dBSecurityGroupName) {
        this.dBSecurityGroupName = dBSecurityGroupName;
    }
<p>
The name for the DB security group. This value is stored as a lowercase string.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must be 1 to 255 letters, numbers, or hyphens.
</p>
</li>
<li>
<p>
First character must be a letter
</p>
</li>
<li>
<p>
Can't end with a hyphen or contain two consecutive hyphens
</p>
</li>
<li>
<p>
Must not be "Default"
</p>
</li>
</ul>
<p>
Example: <code>mysecuritygroup</code>
</p>

@param dBSecurityGroupName
       The name for the DB security group. This value is stored as a lowercase string.</p>
       <p>
       Constraints:
       </p>
       <ul>
       <li>
       <p>
       Must be 1 to 255 letters, numbers, or hyphens.
       </p>
       </li>
       <li>
       <p>
       First character must be a letter
       </p>
       </li>
       <li>
       <p>
       Can't end with a hyphen or contain two consecutive hyphens
       </p>
       </li>
       <li>
       <p>
       Must not be "Default"
       </p>
       </li>
       </ul>
       <p>
       Example: <code>mysecuritygroup</code>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBSecurityGroupRequest.java