public String getCaCertificateIdentifier() {
        return this.caCertificateIdentifier;
    }
<p>
Indicates the certificate that needs to be associated with the database.
</p>

@return Indicates the certificate that needs to be associated with the database.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/UpdateRelationalDatabaseRequest.java