Dupe example create tables

find_dupes.sql

 CREATE TABLE "HR"."PRODUCTS" 
   (	"PRODUCT_ID" NUMBER, 
	"PRODUCT_DESC" VARCHAR2(30 BYTE)
   );

Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (10,'Oranges');
Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (11,'Apples');
Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (15,'Pineapples');
Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (34,'bananas');
Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (10,'Coconuts');
Insert into HR.PRODUCTS (PRODUCT_ID,PRODUCT_DESC) values (15,'Pears');

-- Now find the duplicate records
SELECT
    product_id,
    count(*)
FROM hr.products
GROUP BY product_id
HAVING count(*) > 1; -- Find duplicate entries