It is recommended to create an index on the STAFF table using the DEPT and SALARY columns.
它建议使用DEPT和SALARY列在staff表上创建一个索引。
The ranking was based on the AfterCollege postings, city unemployment rates, and the average annual pay for all occupations as reported by the U.S. Labor Dept.
这项排名基于AfterCollege的职位发布,城市失业率统计以及美国劳工部发布的职位平均年薪报告。
For example, Query 12 joins the XML columns of the dept and project tables to return the employees who work on any of the projects.
例如,查询11连接dept和project表的xml列,返回执行任一项目的员工。
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