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--PostgreSQL 9.6 --'\\' is a delimiter CREATE TABLE customers_1 ("customerid" int, "country" varchar(11)) ; INSERT INTO customers_1 ("customerid", "country") VALUES (1, 'Germany'), (2, 'Mexico'), (3, 'Mexico'), (4, 'UK'), (5, 'Sweden'), (6, 'Germany'), (7, 'France'), (8, 'Spain'), (9, 'France'), (10, 'Canada'), (11, 'UK'), (12, 'Argentina'), (13, 'Mexico'), (14, 'Switzerland'), (15, 'Brazil'), (16, 'UK'), (17, 'Germany'), (18, 'France'), (19, 'UK'), (20, 'Austria') ; CREATE TABLE categories_1 ("categoryid" int, "categoryname" varchar(14)) ; INSERT INTO categories_1 ("categoryid", "categoryname") VALUES (1, 'Beverages'), (2, 'Condiments'), (3, 'Confections'), (4, 'Dairy Products'), (5, 'Grains/Cereals'), (6, 'Meat/Poultry'), (7, 'Produce'), (8, 'Seafood') ; CREATE TABLE employees_1 ("employeeid" int, "birthdate" timestamp) ; INSERT INTO employees_1 ("employeeid", "birthdate") VALUES (1, '1968-12-08'), (2, '1952-02-19'), (3, '1963-08-30'), (4, '1958-09-19'), (5, '1955-03-04') ; CREATE TABLE orderdetails_1 ("orderid" int, "productid" int, "quantity" int) ; INSERT INTO orderdetails_1 ("orderid", "productid", "quantity") VALUES (10248, 11, 12), (10248, 42, 10), (10248, 72, 5), (10249, 14, 9), (10249, 51, 40), (10250, 41, 10), (10250, 51, 35), (10250, 65, 15), (10251, 22, 6), (10251, 57, 15), (10251, 65, 20), (10252, 20, 40), (10252, 33, 25), (10252, 60, 40), (10253, 31, 20), (10253, 39, 42), (10253, 49, 40), (10254, 24, 15), (10254, 55, 21), (10254, 74, 21), (10255, 2, 20), (10255, 16, 35), (10255, 36, 25), (10255, 59, 30), (10256, 53, 15), (10256, 77, 12), (10257, 27, 25), (10257, 39, 6), (10257, 77, 15), (10258, 2, 50), (10258, 5, 65), (10258, 32, 6), (10259, 21, 10), (10259, 37, 1), (10260, 41, 16), (10260, 57, 50), (10260, 62, 15), (10260, 70, 21), (10261, 21, 20), (10261, 35, 20), (10262, 5, 12), (10262, 7, 15), (10262, 56, 2), (10263, 16, 60), (10263, 24, 28), (10263, 30, 60), (10263, 74, 36), (10264, 2, 35), (10264, 41, 25), (10265, 17, 30), (10265, 70, 20), (10266, 12, 12), (10267, 40, 50), (10267, 59, 70), (10267, 76, 15), (10268, 29, 10), (10268, 72, 4), (10269, 33, 60), (10269, 72, 20), (10270, 36, 30), (10270, 43, 25), (10271, 33, 24), (10272, 20, 6), (10272, 31, 40), (10272, 72, 24), (10273, 10, 24), (10273, 31, 15), (10273, 33, 20), (10273, 40, 60), (10273, 76, 33), (10274, 71, 20), (10274, 72, 7), (10275, 24, 12), (10275, 59, 6), (10276, 10, 15), (10276, 13, 10), (10277, 28, 20), (10277, 62, 12), (10278, 44, 16), (10278, 59, 15), (10278, 63, 8), (10278, 73, 25), (10279, 17, 15), (10280, 24, 12), (10280, 55, 20), (10280, 75, 30), (10281, 19, 1), (10281, 24, 6), (10281, 35, 4), (10282, 30, 6), (10282, 57, 2), (10283, 15, 20), (10283, 19, 18), (10283, 60, 35), (10283, 72, 3), (10284, 27, 15), (10284, 44, 21), (10284, 60, 20), (10284, 67, 5) ; CREATE TABLE orders_1 ("orderid" int, "customerid" int) ; INSERT INTO orders_1 ("orderid", "customerid") VALUES (10248, 90), (10249, 81), (10250, 34), (10251, 84), (10252, 76), (10253, 34), (10254, 14), (10255, 68), (10256, 88), (10257, 35), (10258, 20), (10259, 13), (10260, 55), (10261, 61), (10262, 65), (10263, 20), (10264, 24), (10265, 7), (10266, 87) ; CREATE TABLE products_1 ("productid" int, "categoryid" int, "price" int) ; INSERT INTO products_1 ("productid", "categoryid", "price") VALUES (1, 1, 18), (2, 1, 19), (3, 2, 10), (4, 2, 22), (5, 2, 21.35), (6, 2, 25), (7, 7, 30), (8, 2, 40), (9, 6, 97), (10, 8, 31), (11, 4, 21), (12, 4, 38), (13, 8, 6), (14, 7, 23.25), (15, 2, 15.5), (16, 3, 17.45), (17, 6, 39), (18, 8, 62.5), (19, 3, 9.2), (20, 3, 81), (21, 3, 10), (22, 5, 21), (23, 5, 9), (24, 1, 4.5), (25, 3, 14), (26, 3, 31.23), (27, 3, 43.9), (28, 7, 45.6), (29, 6, 123.79), (30, 8, 25.89), (31, 4, 12.5), (32, 4, 32), (33, 4, 2.5), (34, 1, 14), (35, 1, 18), (36, 8, 19), (37, 8, 26), (38, 1, 263.5), (39, 1, 18), (40, 8, 18.4), (41, 8, 9.65), (42, 5, 14), (43, 1, 46), (44, 2, 19.45), (45, 8, 9.5), (46, 8, 12), (47, 3, 9.5), (48, 3, 12.75), (49, 3, 20) ;
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Ecommerce Website Analysis by SQL
SQL social network practice by Han Wang 20200720 - 2
a
3
Pivot the Hard Way..
FInale 38474297439
Q2
Yy
Final 2
postgresql timestamp
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