public void setMasterUserPassword(String masterUserPassword) {
        this.masterUserPassword = masterUserPassword;
    }
<p>
The password for the master user. The password can include any printable ASCII character except "/", """, or "@".
</p>
<p>
My<b>SQL</b>
</p>
<p>
Constraints: Must contain from 8 to 41 characters.
</p>
<p>
<b>PostgreSQL</b>
</p>
<p>
Constraints: Must contain from 8 to 128 characters.
</p>

@param masterUserPassword
       The password for the master user. The password can include any printable ASCII character except "/",
       """, or "@".</p>
       <p>
       My<b>SQL</b>
       </p>
       <p>
       Constraints: Must contain from 8 to 41 characters.
       </p>
       <p>
       <b>PostgreSQL</b>
       </p>
       <p>
       Constraints: Must contain from 8 to 128 characters.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/UpdateRelationalDatabaseRequest.java