| 1. | Delete primary , extended and logical partitions
删除主、扩展、逻辑分区 |
| 2. | A . creating and dropping a primary xml index
A .创建和删除主xml索引 |
| 3. | How to : delete primary keys and unique keys xml designer
>如何：删除主键和唯一键（ xml设计器） |
| 4. | Removing the primary filegroup , primary data file , or log file
删除主文件组、主数据文件或日志文件。 |
| 5. | Deleting rows from a primary table if there are matching related rows
在有匹配的相关行的情况下删除主表中的行。 |
| 6. | How to : delete primary keys
如何：删除主键 |
| 7. | If you drop the primary xml index , any secondary indexes that are present are also deleted
如果删除主xml索引，则会删除任何现有的辅助索引。 |
| 8. | When a primary xml index is dropped , all associated secondary xml indexes are automatically dropped
删除主xml索引时，将自动删除所有关联的辅助xml索引。 |
| 9. | If your applications data requirements change , or if a key was inadvertently defined , you can delete primary and unique keys
当您的应用程序数据要求发生更改，或无意中定义了某个键时，可以删除主键和唯一键。 |
| 10. | The drop existing index option can drop a primary xml index and create a new primary xml index , or drop a secondary xml index and create a new secondary xml index
Drop _ existing索引选项可以删除主xml索引并创建一个新的主xml索引，或者删除辅助xml索引并创建一个新的辅助xml索引。 |
