| 1. | To ensure that only 10 rows are deleted , the column specified in the subselect statement
为了确保仅删除10行，嵌套select语句( |
| 2. | Further , it could subselect only methods with the value property exceeding , say , 25
而且，它可以进一步只选择（比如说） value属性超过25的方法。 |
| 3. | If the insert statement is used with a subselect , the returned data can be stored into db2 tables
如果将insert语句与子查询一起使用，那么返回的数据便可以存储到db2表中。 |
| 4. | Added information about specifying a primary key when you use a subselect statement with an order by clause
添加了有关在将嵌套select语句与order by子句一起使用时指定主键的详细信息。 |
| 5. | Is a variable , literal value , expression , or a subselect statement enclosed with parentheses that returns a single value
返回单个值的变量、文字值、表达式或嵌套select语句（加括号） 。 |
| 6. | If you have to use top to delete rows in a meaningful chronological order , you must use top together with order by in a subselect statement
如果需要使用top来删除按有意义的时间顺序排列的行，您必须同时使用top和order by子句。 |
| 7. | Using a nonkey column in the subselect statement may result in the deletion of more than 10 rows if the specified column contains duplicate values
如果指定列包含重复的值，则在嵌套select语句中使用非键列可能会导致删除的行超过10个。 |
| 8. | Enable grouping by a column that is derived from a scalar subselect , or a function that is either not deterministic or has external access
启用按从标量嵌套select语句派生的列进行分组，或者按不确定性函数或有外部访问的函数进行分组。 |
| 9. | If the measure had a third aggregation , then the select statement generated here would itself be used as a subselect on which the third aggregation function would be applied
）如果这个度量还有第三个聚合，那么这个选择语句本身作为子查询，第三个聚合函数应用于它。 |
