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for the query: SELECT ISBN, title, (retail-cost)*100/cost Profit % FROM zjlb_books; how do i make sure that the total of the calculation remains to be
for the query:
SELECT ISBN, title, (retail-cost)*100/cost "Profit %" FROM zjlb_books;
how do i make sure that the total of the calculation remains to be at 2 decimal places?
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Database Driven Web Sites
Authors: Joline Morrison, Mike Morrison
2nd Edition
? 061906448X, 978-0619064488
