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Refresh data in a table when a lookup in a reference table fails. 在引用表中的查找失败时刷新表中的数据。
The switch reference table in the next section contains several examples. 下一节中的开关参考表中包含了几个相关示例。
The Fuzzy Lookup transformation creates a working copy of the reference table. 模糊查找转换将创建引用表的工作副本。
For more information, refer to the Number Field Size entry in the Field properties reference table. 有关更多信息,请参阅字段属性参考表中的数字“字段大小”项。
The reference table must be a table in a SQL Server 2000, a SQL Server 2005, or an Access database. 引用表必须是SQL Server 2000、SQL Server 2005或Access数据库中的表。
Contains the number of times the term in the reference table occurs in the input data set. 包含引用表中的字词在输入数据集中出现的次数。
If it fails, the Fuzzy Lookup transformation provides close matches from the reference table. 如果未找到,模糊查找转换提供引用表中接近的匹配项。
The statement must not reference tables with computed columns. 语句不能引用具有计算列的表。
If the match index table is deleted, the triggers on the reference table will not execute correctly. 如果删除了匹配索引表,引用表上的触发器将无法正确执行。
Sometimes, Fuzzy Lookup may not locate appropriate matches in the reference table. 有时,模糊查找可能在引用表中找不到相应的匹配项。
The Term Extraction transformation uses a separate OLE DB connection to connect to the reference table. 字词提取转换使用单独的OLE DB连接以便连接到引用表。
The Term Lookup transformation uses a separate OLE DB connection to connect to the reference table. 字词查找转换使用单独的OLE DB连接来连接到引用表。
The transformation installs triggers on the reference table to keep the reference table and index table synchronized. 该转换在引用表上安装触发器,使引用表和索引表同步。
The transformation that looks up values in a reference table using an exact match. 使用完全匹配查找引用表中值的转换。
Columns that participate in the join between the input and the reference table must have compatible data types. 参与输入和引用表之间联接的列必须具有兼容的数据类型。
The Lookup transformation uses an equi-join to locate matching records in the reference table. 查找转换使用同等联接在引用表中查找匹配的记录。
If a plural form of the noun or noun phrase exists in the reference table, the lookup matches only the plural form of the noun or noun phrase. 如果引用表中存在名词或名词短语的复数形式,则查找仅匹配该名词或名词短语的复数形式。
For example, the package first attempts to look up a product name in the reference table by using the primary key value of the product. 例如,包首先尝试通过使用产品的主键值来查找引用表中的产品名。
Don't refer to this matter again, please. 请不要再提这件事了。
A view in a database references tables in a second database. 数据库中的视图引用了辅助数据库中的表。