public class DatamazeImplicitNamingStrategy extends ImplicitNamingStrategyJpaCompliantImpl
{
    private static final long serialVersionUID = 1L;

    @Override
    public Identifier determineForeignKeyName(ImplicitForeignKeyNameSource source)
    {
        String name = "FK_" + source.getTableName() + "_" + source.getColumnNames()
            .stream()
            .map(x -> x.toString())
            .collect(Collectors.joining("_"));

        return toIdentifier(name, source.getBuildingContext());
    }

    @Override
    public Identifier determineIndexName(ImplicitIndexNameSource source)
    {
        String name = "IX_" + source.getTableName() + "_" + source.getColumnNames()
            .stream()
            .map(x -> x.toString())
            .collect(Collectors.joining("_"));

        return toIdentifier(name, source.getBuildingContext());
    }

    @Override
    public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source)
    {
        String name = "UK_" + source.getTableName() + "_" + source.getColumnNames()
            .stream()
            .map(x -> x.toString())
            .collect(Collectors.joining("_"));

        return toIdentifier(name, source.getBuildingContext());
    }
}

alter table ASSET add constraint UK_88x4vo88ix1k9jnovcylc55t9 unique (SYSTEM_NODE_ID)

alter table ASSET add constraint UK_ASSET_SYSTEM_NODE_ID unique (SYSTEM_NODE_ID)