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- MySQL backup and recovery options depend greatly on the underlying table types. MySQL备份和恢复选项在很大程度上依赖于底层的表类型。
- What happens to a view if an underlying table is dropped or renamed? 如果数据表被删除或改名了,则它之下的视图会发生什么情况?
- An expression can use data from a field in the report's underlying table or query, or from a control in the report. 表达式所使用的数据可以来自报表的基础表或查询中的字段,也可以来自报表上的控件。
- You can also click a series element in the chart to view its related data in the chart and the underlying table. 您也可以点按图表中的一个数列元素,以便查看它在图表中的相关数据和基表。
- The FOREIGN KEY constraint on the underlying table is automatically disabled and warning message is displayed. 对基础表的FOREIGN KEY约束自动被禁用,并显示警告消息。
- Disabling an index prevents user access to the index, and for clustered indexes, to the underlying table data. 禁用索引可防止用户访问该索引,对于聚集索引,还可防止用户访问基础表数据。
- Instead, local index partitions are dropped only when you drop a partition from the underlying table. 当用户从分区表中移除分区时，相应的索引分区会被自动移除。
- Because both of these views are defined with a single SQL select statement on the underlying table, the query performance will not suffer. 因为这两个视图都是在下面的表格上使用单独的SQL选择语句进行定义,所以不会影响查询性能。
- INSERT statements must specify values for any columns in the underlying table that do not allow null values and have no DEFAULT definitions. INSERT语句必须为不允许空值并且没有DEFAULT定义的基础表中的所有列指定值。
- Counter indicates the level of maintenance on the index caused by insert, update, or delete operations on the underlying table or view. 计数器指示由基础表或视图上的插入、更新或删除操作所引起的索引维护级别。
- Clicking this ellipsis will let you specify a column in the underlying table that provides translations for each member of the attribute hierarchy. 单击此省略号可以指定为属性层次结构的每个成员提供翻译的基础表中的列。
- Date is a function that returns the current date, and [BirthDate] refers to the BirthDate field in the underlying table. Date是一个返回当前日期的函数,[出生日期]引用基础表中的“出生日期”字段。
- When you use one of those tools, the controls on the form inherit the underlying table properties, including any validation rules and validation text. 在使用其中某个工具时,窗体上的控件继承基础表属性,其中包括所有有效性规则和有效性文本。
- Additionally, all LOB columns that are associated with the clustered index, underlying table, or nonclustered index with included columns are compacted. 此外,将压缩与聚集索引、基础表或带有包含性列的非聚集索引关联的所有LOB列。
- This means long-term blocking table locks are not held and queries or updates to the underlying table can continue during the ALTER INDEX REORGANIZE transaction. 这意味着不保留长期阻塞的表锁,且对基础表的查询或更新可以在ALTER INDEX REORGANIZE事务处理期间继续。
- A correctly chosen fill factor value can reduce the potential for page splits by providing enough space for index expansion as data is added to the underlying table. 正确选择填充因子值可提供足够的空间以便随着向基础表中添加数据而扩展索引,从而减少页拆分可能性。
- When an index is created offline (the default), exclusive locks are held on the underlying table until the transaction creating the index has completed. 脱机(默认设置)创建索引时,直到创建索引事务完成后,才释放基础表的排他锁。
- You want to apply conditional formatting to an unbound control (unbound control: A control that is not connected to a field in an underlying table, query, or SQL statement. 您要对未绑定控件(未绑定控件:未与基础表、查询中的字段或SQL语句连接的控件。
- Ensure that the query includes all of the required fields from the underlying tables. 请确保查询包括基础表中的所有必填字段。
- XML bulk load can be used to populate the underlying tables by using the XML view. 通过XML视图,可使用XML大容量加载来填充基础表。
