| 1. | Are grouping columns that are used by the pivot operator
是pivot运算符使用的组合列。 |
| 2. | Function produces a value of 1 in the grouping column
三行中的每行都在一列或多列中记录 |
| 3. | Are called the grouping columns of the pivot operator
列之外的列被称为透视运算符的组合列。 |
| 4. | Against the grouping columns and produces one output row for each group
执行group by ，为每个组生成一个输出行。 |
| 5. | For the group column , type
对于“组”列，请键入 |
| 6. | Notice that timeid is not one of the grouping columns of the outer select
（注意， timeid不是外层选择的分组列之一。 |
| 7. | To add a subtotal to a group , right - click the group column or row header and then click
若要向组添加小计，右键单击组的列标题或行标题，再单击 |
| 8. | Two requests operate on the same resource only if all the resource - group columns are equal
仅当所有资源组列都相等时，才对同一资源执行两个请求。 |
| 9. | At the end of the clause is the associated table name for all columns , including grouping columns , returned
是所有返回列（包括组合列）的关联表名。 |
| 10. | Pivot performs a grouping operation on the input table with regard to the grouping columns and returns one row for each group
Pivot对输入表执行组合列的分组操作，并为每个组返回一行。此外， |
