Computers and Technology, 21.06.2021 15:40 ralphmillerrr
Write SQL codes according to the requirements given. Tables are imaginary, column names can be made up.
1. List the item ID, description, unit price, and category for each item that has a unit price greater than the unit price of every item in category CAT. Use either the ALL or ANY operator in your query. (Hint: Make sure you select the correct operator.)
2. For each item, list the item ID, description, units on hand, invoice number, and quantity ordered. All items should be included in the results. For those items that are currently not on an invoice, the invoice number and quantity ordered should be left blank. Order the results by item ID.
3. If you used ALL in question 1 repeat the exercise using ANY. If you used ANY, repeat the exercise using ALL, and then run the new command. What question does the new command answer?
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Write SQL codes according to the requirements given. Tables are imaginary, column names can be made...
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