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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">Chapter Summary</font></h2>
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<ol>
	<li>RDB stores information in tables.  Each column has a datatype and unique
		name</li>
	<li>SQL - command language for interacting w/the DB</li>
	<li><tt>CREATE TABLE</tt> and <tt>INSERT</tt> commands to add to a DB.
		<tt>SELECT</tt> to query.  <tt>UPDATE</tt> and <tt>DELETE</tt> to modify
		the data</li>
	<li>Do <b>not</b> replicate data among rows.  Distribute over multiple
		tables</li>
	<li>Primary key - column(s) that uniquely identify a record<br>
		Foreign key - reference to primary key in linked table</li>
	<li>A <i>join</i> is a query that involves multiple tables</li>
	<li>Use an API to access a DB from a C++ program</li>
	<li>Transaction - set of updates that should succeed entirely, or not at
		all</li>
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