Question: Consider the schema depicted in as shown below. Give an SQL: 1999 query to summarize sales numbers and price by store and date, along with

Consider the schema depicted in as shown below. Give an SQL: 1999 query to summarize sales numbers and price by store and date, along with the hierarchies on store and date.

store item-info store-id item-id city sales itemname state color item-id store-id customer-id

store item-info store-id item-id city sales itemname state color item-id store-id customer-id date ber country size category customer customer-id date-info price street date city nth state quarter zipcode country year

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