Q:

From the following tables write a SQL query to calculate and find the average price of items of each company higher than or equal to Rs. 350

hamza
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2022-05-18
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From the following tables write a SQL query to calculate and find the average price of items of each company higher than or equal to Rs. 350. Return average value and company name.

Sample table: company_mast

COM_ID COM_NAME
------ -------------
    11 Samsung
    12 iBall
    13 Epsion
    14 Zebronics
    15 Asus
    16 Frontech
 PRO_ID PRO_NAME                       PRO_PRICE    PRO_COM
------- ------------------------- -------------- ----------
    101 Mother Board                    3200.00         15
    102 Key Board                        450.00         16
    103 ZIP drive                        250.00         14
    104 Speaker                          550.00         16
    105 Monitor                         5000.00         11
    106 DVD drive                        900.00         12
    107 CD drive                         800.00         12
    108 Printer                         2600.00         13
    109 Refill cartridge                 350.00         13
    110 Mouse                            250.00         12
Sql programming,
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hamza
2022-05-18
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 SELECT AVG(pro_price), company_mast.com_name
   FROM item_mast INNER JOIN company_mast
   ON item_mast.pro_com= company_mast.com_id
   GROUP BY company_mast.com_name
   HAVING AVG(pro_price) >= 350;

Output of the Query:

          avg          | com_name 
-----------------------+----------
 5000.0000000000000000 | Samsung
  650.0000000000000000 | iBall
 1475.0000000000000000 | Epsion
  500.0000000000000000 | Frontech
 3200.0000000000000000 | Asus
(5 rows)

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