SQL Join Syntax can have an impact on performance.
SQL连接语法可能会对性能产生影响。
The information needed can be obtained by using the SQL JOIN operator.
需要能够通过使用SQL JOIN操作符来获得这些信息。
Remember that this matches each CD with each artist, producing the equivalent with a SQL join.
记住，这样将匹配每张 CD 和每位艺术家，从而得到相当于 SQL 连接的效果。
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