The following query select item name, color, clothes size, sum(quantity) from sales group by cube (item name, color) could be written as select item name, color, sum(quantity) from sales group by item name, color union select item name, sum(quantity) from sales group by item name union select color, sum(quantity) from sales group by color select item name, color, sum(quantity) from sales group by item name, color union select item name, sum(quantity) from sales group by item name union select color, sum(quantity) from sales group by color union select sum(quantity) from sales select item name, color, sum(quantity) from sales group by item name, color union select item name, color, sum(quantity) from sales group by item name union select item name, color, sum(quantity) from sales group by color select item name, color, sum(quantity) from sales group by item name, color union select item name, color, sum(quantity) from sales group by item name union select item name, color, sum(quantity) from sales group by color union select item name, color, sum(quantity) from sales

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Posted on Sep 25, 2024

The following query

select item_name, color, clothes_size, sum(quantity)

from sales

group by cube (item_name, color)

could be written as:

	select item_name, color, sum(quantity) from sales group by item_name, color union select item_name, sum(quantity) from sales group by item_name union select color, sum(quantity) from sales group by color
	select item_name, color, sum(quantity) from sales group by item_name, color union select item_name, sum(quantity) from sales group by item_name union select color, sum(quantity) from sales group by color union select sum(quantity) from sales
	select item_name, color, sum(quantity) from sales group by item_name, color union select item_name, color, sum(quantity) from sales group by item_name union select item_name, color, sum(quantity) from sales group by color
	select item_name, color, sum(quantity) from sales group by item_name, color union select item_name, color, sum(quantity) from sales group by item_name union select item_name, color, sum(quantity) from sales group by color union select item_name, color, sum(quantity) from sales