slide020.html

来自「《Big C++ 》Third Edition电子书和代码全集-Part1」· HTML 代码 · 共 119 行

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<h2><font color="#009999">28.1.3 Implementing One-to-Many Relationships
	(cont.)</font></h2>
<font size="+1">

<table cellpadding='12'>
	<tr>
		<td><font size='+1'>
			<ul>
				<li>Break into 2 tables</li>
				<li>Link items to an invoice w/<tt>Invoice_Number</tt></li>
			</ul>
		</td>
		<td rowspan='2'>
			<table border='1' cellpadding='4'>
				<tr><th colspan='3'>Item</th></tr>
				<tr bgcolor='#00ffff'>
					<th>Invoice_<br>Number</th>
					<th>Product_<br>Code</th>
					<th>Quantity</th>
				</tr>
				<tr>
					<td align='center'><tt>INTEGER</tt></td>
					<td align='center'><tt>CHAR(10)</tt></td>
					<td align='center'><tt>INTEGER</tt></td>
				</tr>
				<tr>
					<td align='center'>11731</td>
					<td align='center'>116-064</td>
					<td align='center'>3</td>
				</tr>
				<tr>
					<td align='center'>11731</td>
					<td align='center'>257-535</td>
					<td align='center'>1</td>
				</tr>
				<tr>
					<td align='center'>11731</td>
					<td align='center'>643-119</td>
					<td align='center'>2</td>
				</tr>
				<tr>
					<td align='center'>11732</td>
					<td align='center'>116-064</td>
					<td align='center'>10</td>
				</tr>
				<tr>
					<td align='center'>11733</td>
					<td align='center'>116-064</td>
					<td align='center'>2</td>
				</tr>
				<tr>
					<td align='center'>11733</td>
					<td align='center'>643-119</td>
					<td align='center'>1</td>
				</tr>
			</table>
		</td>
	</tr>
	<tr>
		<td>
			<table border='1' cellpadding='4'>
				<tr><th colspan='3'>Invoice</th></tr>
				<tr bgcolor='#00ffff'>
					<th>Invoice_<br>Number</th>
					<th>Customer_<br>Number</th>
					<th>Payment</th>
				</tr>
				<tr>
					<td align='center'><tt>INTEGER</tt></td>
					<td align='center'><tt>INTEGER</tt></td>
					<td align='center'><tt>DECIMAL(10,2)</tt></td>
				</tr>
				<tr>
					<td align='center'>11731</td>
					<td align='center'>3175</td>
					<td align='center'>0</td>
				</tr>
				<tr>
					<td align='center'>11732</td>
					<td align='center'>3176</td>
					<td align='center'>249.5</td>
				</tr>
				<tr>
					<td align='center'>11733</td>
					<td align='center'>3175</td>
					<td align='center'>0</td>
				</tr>
			</table>
		</td>
	</tr>
</table>

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