清单1.hash索引键生成器的实现。
索引键大小限制也应用于通过索引施加的那些约束。
The index key size limit also applies to those constraints that are enforced through indexes.
换句话说，匹配从索引键的最左端开始并向右匹配。
Put another way, matching starts at the far left of the index key and proceeds rightward.
索引键列可以包括固定长度和可变长度列。
The key columns of an index can include fixed-length and variable-length columns.
包含作为实体类型属性的外部索引键资料行。
对于那些不是唯一的索引，索引键的数量要少于记录的数量。
For indexes that are not unique, the number of index keys is less than the number of records.
我们可以使用随机化的索引键列来减少争用，但这有何代价呢？
We can use randomized index key columns to reduce contention, but at what cost?
选取缓时变维度资料表，并指定其索引键资料行。
Select a slowly changing dimension table and specify its key columns.
基于优化器的估计，在目标索引键范围内有8个合格的RID。
Based on the optimizer's estimate, there are eight qualifying RIDs within the target index key range.
您想要能够读取资料列内的所有资料行，包括了主索引键。
You want to be able to read all the columns in the row, including the primary key.
负载测试摘要会显示压缩并容易阅读的格式中的索引键的结果。
The load test summary shows the key results in a compact and easily read format.
有没有标准的方法，通过索引键的范围从对象和对象数组的索引？
Is there any standard method to get array of objects from object with indexer by range of index keys?
生成的hash值是数值型的，我使用这个值作为被索引的字符串的索引键。
The generated hash value is numeric, and I use this value as single index key for the string being indexed.
使用指定的索引键、文字和影像建立项目，并将它加入至集合中。
Creates an item with the specified key, text, and image, and adds it to the collection.
使用指定的索引键、文字和影像建立项目，并加入集合中的项目。
Creates an item with the specified key, text, and image and adds an item to the collection.
不允许使用大对象作为索引键，因为一般情况下不能够对大对象进行比较和排序。
Using large objects as index keys is disallowed because they cannot, in general, be compared and sequenced.
如有需要，在[联结]对话方块中变更主索引键之间的比较运算子。
In the Join dialog box change the comparison operator between the primary keys as required.
编辑器资料表的格式是使用资料型别做为索引键，而编辑器做为值。
The format for an editor table uses data types as keys and editors as values.
使用指定的索引键和文字建立新的树状节点，并将它加入至集合中。
Creates a new tree node with the specified key and text, and adds it to the collection.
使用指定的索引键、文字和影像建立树状节点，并将它加入至集合中。
Creates a tree node with the specified key, text, and image, and adds it to the collection.
如果该资料行位于资料表的主索引键，资料列选择器将显示索引键符号。
The row selector displays a key symbol if the column is in the table's primary key.
如果资料表有一个以上的外部索引键，您只能指定其中一个用于这个比例。
If a table has more than one foreign key, you can only specify only one of them to use for the ratio.
说明如何在执行筛选所在的资料表中，使用外部索引键筛选资料表资料列。
Shows how to perform table row filtering using foreign keys in the same table where filtering is performed.
选择的外部索引键资料行，必须与对应的主索引键资料行具有相同的资料型别。
The columns you choose for the foreign key must have the same data type of the primary columns they correspond to.
应该注意，db2索引键的大小限制为1024字节，而且索引键限制包括占用的所有字节。
It should be noted that the DB2 index key size limit is 1024 bytes, and the index key limit includes all overhead bytes.
而且，记录的数量与索引键之间的比例说明，通常，RID 的数量与每个索引键都有关联。
Moreover, the ratio between the number of records and the number of index keys indicates, on average, the number of RIDs associated with each index key.
当使用VARCHAR或VARGRAPHIC数据类型时，索引键限制可能减少。
The index key limit might be reduced when you are using VARCHAR or VARGRAPHIC data type.
在创建函数索引时，将执行与其相关的UDR来对图像进行预处理，并将结果作为索引键保存。
When each functional index is created, its associated UDR is executed to pre-process the images and store the results as the index key.
要检查表数据的完整性，您可以在表的数据行设置索引键，并将表的数据行关联到相关的LOB。
To check integrity of table data, you can index keys to table rows, and table rows to associated LOBs.
但是要小心使用这一策略；您并不想以在索引键中包含数据表所有列的方式在索引中复制一个表。
But be careful with this tactic; you do not want to replicate a table in an index by including all of the table's columns in the index key.
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