New for SQL Server 2008, permit you to add a WHERE clause to an index, thus focusing the index on the most important rows.
这是SQL Server 2008的新特性，它使我们可以向索引增加WHERE子句，这样就可以将索引聚焦到大多数重要的行上。
2
Click on OK to add it to the USES clause automatically.
单击ok将其自动添加到uses子句中。
3
Control of Work transfer - Moved from clause 7.5 (Production) to clause 7.1 to add emphasis on having a process to plan and control of transfer activities.