| 1. | Identifies a missing index group
标识缺失索引组。 |
| 2. | Number of compilations and recompilations that would benefit from this missing index group
将从该缺失索引组受益的编译和重新编译数。 |
| 3. | Returns information about what missing indexes are contained in a specific missing index group
返回有关特定缺失索引组中包含的缺失索引的信息。 |
| 4. | To determine which missing index groups a particular missing index is part of , you can query the
若要确定特定缺失索引所属的缺失索引组，可以查询 |
| 5. | B . find the individual missing indexes and their column details for a particular missing index group
B .查找特定缺失索引组的单个缺失索引及其列详细信息 |
| 6. | Average percentage benefit that user queries could experience if this missing index group was implemented
实现此缺失索引组后，用户查询可能获得的平均百分比收益。 |
| 7. | Average percentage benefit that system queries could experience if this missing index group was implemented
实现此缺失索引组后，系统查询可能获得的平均百分比收益。 |
| 8. | The value means that the query cost would on average drop by this percentage if this missing index group was implemented
该值表示如果实现此缺失索引组，则查询成本将按此百分比平均下降。 |
| 9. | The following query determines which missing indexes comprise a particular missing index group , and displays their column details
下面的查询确定哪些缺失索引构成特定缺失索引组，并显示其列详细信息。 |
| 10. | It defines for the sbma 56 analysis dimensions and establishes a complete system of analysis indices which is constituted of 9 index groups
定义了sbma的分析(维度)角度共56个，并建立了包括九类分析指标的完整指标体系。 |
