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📁 《Big C++ 》Third Edition电子书和代码全集-Part1

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<h2><font color="#009999">28.5 Case Study: Accessing an Invoice Database
	(cont.)</font></h2>
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<p><b><tt>printinv.cpp</tt></b>

<ul>
	<li>Query and print customer data:
		<blockquote><tt>
			string query = "SELECT Item.Quantity, Product.Description, "<br>
			&nbsp;&nbsp;&nbsp;"Product.Unit_Price FROM Item, Product WHERE "<br>
			&nbsp;&nbsp;&nbsp;"Item.Invoice_Number = ' "+ invnum<br>
			&nbsp;&nbsp;&nbsp;+ "'AND Item.Product_Code = Product.Product_Code";
		</tt></blockquote>
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