SQL ORACLE创建现有表的柱形图

Question

我在Oracle Sql Developer上工作，并且使用此SELECT查询获取结果。

.input-element here is a unique DOM element. If you want to apply Cleave for multiple elements, you need to give different css selectors and apply to each of them

结果表是：

bootstrap popover

然后，我使用“用户定义的报告”在oracle中显示柱形图。但是，当我测试查询时，我在编辑报告上看到此错误。

create table column_craft (id number,city varchar2(25), data varchar2(25));
insert into column_craft values(101, 'Kork','numberone')
insert into column_craft values(202, 'Dublin','numbertwo')
insert into column_craft values(303, 'Dublin','numberthree')
insert into column_craft values(404, 'Dublin','numberfour')
drop table column_craft

SELECT *
FROM column_craft
WHERE City = 'Dublin';

有什么方法可以解决它或在oracle sql developer中创建柱形图吗？