fischer1983 / poatek

Repository to my technical challenge.

Poatek 🚀

Repository to my technical challenge.

1. Challenge One 🏆

In this challenge i used Java 17 in Intellij IDEA to solve the problems.

To access this challenge you need:

1. clone this repository using git. <https://github.com/GuiMichel/poatek.git>
2. open the project in your IDE.
3. browse the directories named with the challenge name.
4. run the executable class of each challenge how below:
   1. to challenge 1.1 run ChallengeOneLists.
   2. to challenge 1.2 run ChallengeOneFunctions.
   3. to challenge 1.3 run ChallengeOneClasses.

2. Challenge Two 🏆

In this challenge i used pgAdmin 4 and SQL consults to solve the problems.

2.1. 5 CUSTOMERS BOUGHT THE MOST IN USD.

C_ID	C_NAME	TOTAL IN USD
12	"Medline "	2248332.40
29	"Apotheca, Ltd"	2112221.90
17	"Pure Group"	1962014.59
34	"OUR Ltd"	1937827.59
33	"Trigen "	1895188.80

    SELECT CL.CUSTOMER_ID, CL.CUSTOMER_NAME, SUM(SO.UNIT_PRICE*SO.ORDER_QUANTITY) AS "SOMA"
    FROM SALES_ORDER SO
    INNER JOIN CUSTOMERS CL
    ON CL.CUSTOMER_ID=SO.CUSTOMER_ID
    GROUP BY (CL.CUSTOMER_ID, CL.CUSTOMER_NAME)
    ORDER BY "SOMA" DESC
    LIMIT 5;

2.2. STATE THE HAS SOLD THE MOST IN TERMS OF UNITS.

STATE	UNITS
CALIFORNIA	7605

    SELECT SL.STATE, SUM(SO.ORDER_QUANTITY) AS "SOMA"
    FROM SALES_ORDER SO
    INNER JOIN STORE_LOCATIONS SL
    ON SL.STORE_ID=SO.STORE_ID
    GROUP BY (SL.STATE)
    ORDER BY "SOMA" DESC
    LIMIT 1;

2.3. CITY IN STATE OF INDIANA HAVE THE BIGGEST TOTAL OF SALES(UNITS).

CITY	SALES(UNITS)
WAYNE	193

    SELECT SL.CITY_NAME, SUM(SO.ORDER_QUANTITY) AS "SOMA"
    FROM SALES_ORDER SO
    INNER JOIN STORE_LOCATIONS SL
    ON SL.STORE_ID=SO.STORE_ID
    WHERE SL.STATE = 'Indiana'
    GROUP BY (SL.CITY_NAME)
    ORDER BY "SOMA" DESC
    LIMIT 1;

2.4. CITY HAS THE BIGGEST SALES PER CAPITA.

CITY	STATE	SALES PER CAPITA
BROKEN ARROW	OKLAHOMA	4,60 USD/RESIDENT

    SELECT SL.CITY_NAME, SL.STATE, SUM(((SO.ORDER_QUANTITY*SO.UNIT_PRICE)/SL.POPULATION)) AS "PERCAPITA"
    FROM SALES_ORDER SO
    INNER JOIN STORE_LOCATIONS SL
    ON SL.STORE_ID=SO.STORE_ID
    GROUP BY SL.CITY_NAME, SL.STATE
    ORDER BY "PERCAPITA" DESC
    LIMIT 1;

2.5. PRODUCT THAT HAS SOLD MORE (UNITS)?

PRODUCT_ID	PRODUCT_NAME	QUANTIDADE
23	ACCESSORIES	956

    SELECT SO.PRODUCT_ID, PR.PRODUCT_NAME, SUM(SO.ORDER_QUANTITY) AS "QUANTIDADE"
    FROM SALES_ORDER SO
    INNER JOIN PRODUCTS PR
    ON PR.PRODUCT_ID=SO.PRODUCT_ID
    GROUP BY SO.PRODUCT_ID, PR.PRODUCT_NAME
    ORDER BY "QUANTIDADE" DESC
    LIMIT 1;

2.6. PRODUCT THAT HAS SOLD MORE (UNITS) IN THE CITY THAT HAS THE LARGEST AMOUNT OF WATER AREA.

PRODUCT-ID	P_NAME	CITY_NAME	WATER_AREA	QUANTITY
43	"Festive"	"Corpus Christi"	852118618	13

    SELECT SO.PRODUCT_ID, PR.PRODUCT_NAME,
    SL.CITY_NAME,SL.WATER_AREA ,SUM(SO.ORDER_QUANTITY) AS "QUANTITY"
    FROM SALES_ORDER SO
    INNER JOIN PRODUCTS PR
    ON PR.PRODUCT_ID=SO.PRODUCT_ID
    INNER JOIN STORE_LOCATIONS SL
    ON SL.STORE_ID=SO.STORE_ID
    GROUP BY SO.PRODUCT_ID, PR.PRODUCT_NAME,SL.CITY_NAME,SL.WATER_AREA 
    ORDER BY SL.WATER_AREA DESC, "QUANTITY" DESC
    LIMIT 1;

2.7. AVARAGE DELIVERY TIME (DAYS) IN THE REGION NORTHEAST.

AVARAGE DELIVERY TIME
20 DAYS

    SELECT AVG(( SO.DELIVERY_DATE - SO.ORDER_DATE)) AS "DELIVERY TIME"
    FROM SALES_ORDER SO
    INNER JOIN STORE_LOCATIONS SL
    ON SL.STORE_ID=SO.STORE_ID
    INNER JOIN REGIONS RG
    ON SL.STATE_CODE=RG.STATE_CODE
    WHERE RG.REGION ='Northeast';

2.8. SELLER WHO OBTAINED THE MOST TOTAL PROFIT.

SELLER	PROFIT(USD)
"Donald Reynolds"	1251542.98

    SELECT ST.SALES_TEAM, SUM(SO.ORDER_QUANTITY*(SO.UNIT_PRICE-SO.UNIT_COST)) AS "PROFIT"
    FROM SALES_ORDER SO
    INNER JOIN SALES_TEAM ST
    ON ST.SALES_TEAM_ID=SO.SALES_TEAM_ID
    GROUP BY ST.SALES_TEAM
    ORDER BY "PROFIT" DESC
    LIMIT 1;