• 提供用于汇总所有不是分组步骤

    Provides steps for summarizing all rows rather than for a set of grouped rows.

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  • 已经用完页面时,就必须读入下一

    When one page is exhausted, the page for the next set of rows must be read in.

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  • 重新准备fetch语句,并且包含定位

    The fetch statement will be re-prepared without rowset positioning.

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  • 首先查询数据库获取所选种类匹配所有货品

    First we query the database to get a row set of all the items that match the selected category.

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  • 对于游标JDBC1定位更新语法必须知道行集存在。

    For rowset cursors, the JDBC 1 positioned update syntax needs be aware of the rowset.

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  • 如果没有启用MRF准备fetch语句时将包含定位

    If MRF is not enabled, FETCH statements are prepared without rowset positioning.

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  • 提供程序支持架构行集因此无法元数据扫描知识库中。

    The provider does not support Schema Rowsets, so its metadata cannot be scanned into the Repository.

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  • 是因为T2zos需要支持获得默认falseunset

    This is because T2zos requires the rowset support to have a default of false or unset.

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  • 因此连接两个行集数的乘积选择的谓词连接的乘积。

    Therefore, the join cardinality is the product of the cardinalities of two row sets, multiplied by the selectivity of the join predicate.

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  • 可以内联自定义函数想象成视图,它接受参数而且用于JOIN其他行集操作

    Inline UDF's can be thought of as views that take parameters and can be used in JOINs and other Rowset operations.

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  • 算法通过查看映射涉及maxOccurs属性模型来确定关系

    The algorithm can determine the relationship by looking at the maxOccurs property and the model groups involved in the items mapped to the same rowSet.

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  • 如图1所示,通过获取多个,应用程序减少SQL调用并且可以使用一个fetch语句获取行集

    As illustrated in Figure 1, by fetching multiple rows, your applications reduce the number of SQL calls and can fetch a rowset using a single fetch statement.

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  • t2zos知道存储过程返回游标是不是一个因此t2zos驱动程序允许对存储过程执获取。

    T2zos does not know if the cursor returned from a stored procedure is rowset or not, thus the t2zos driver allows only single row fetch for a stored procedure.

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  • 如果附加的过滤器需要访问步骤之后应用数据在被包括最终结果之前行集穿过过滤器

    If there are additional filters that need to be applied to the data after the table access step, the rows will pass through that filter before being included in the final result set from that step.

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  • 数据分区称为范围(当前DB 2支持范围分区方案),个数据分区包含一个,这些存储其他不同地方。

    A data partition, also referred to as a range (currently DB2 supports only a range partitioning scheme), contains a subset of rows that are stored separately from other sets of rows in the table.

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  • 而且传统数据库驱动技术是以方式不是以对象的方式处理数据需要对象模型转换,实现对象数据数据库的持久化存储

    What is more, the traditional database driver handles data by collection of rows which requires converting object data to relational one for persistent storage.

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  • 结果数组,该数组由0个多个数据库查询相匹配组成;结果标识符只是一个,您可以将该值传递其它函数使它们能够使用结果中的

    A result set is an array consisting of 0 or more rows that match a database query; a result set identifier is simply a value that you pass to other functions to work with the rows in the result set.

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  • 通过枚举检索每个结果对应

    Each value retrieved via the enumerator should correspond with one row of the resultset.

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  • 存储过程可以返回更多结果每个结果组成

    Stored procedures can return zero or more result sets, each consisting of a set of rows.

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  • 在下面的清单6故障处理程序通过相应元素(第36)定义试图处理故障

    The fault handler in Listing 6 below defines the set of faults it attempts to handle via a corresponding set of elements (line 36).

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  • 模式适合那些复制压缩大型文件系统管理脚本

    Line mode is ideal for systems administration scripts that copy or compress large collections of files.

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  • 因为都是标量函数,所以将结果每一创建XML数据类型的结果。

    Since these are scalars functions, for each line of the result set, a result of the XML data type is created.

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  • 查找特定时候,这个特性非常有用,而且通过滚动整个结果寻找所需要快得也简单得多

    This feature is useful when looking for a particular set of rows, and is much faster and simpler than finding the desired rows by scrolling through the entire result set.

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  • 解释DB 2不能OPENCURSOR中为所有符合条件自动生成一个结果

    I explained that DB2 does not automatically build a result set of all qualified rows at OPEN CURSOR.

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  • 是否每个人都认同重用资产单一或者每个人都采用自己自定义版本实际上完全不能重用

    Can everyone really agree on a single set of behavior for a reusable asset, or will everyone have their own customized version which isn't really being reused after all?

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  • 接下来结果中取值设置输入表单字段中的

    Next, fetch values from the result set row and set the values in the input form fields.

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  • 测试的第二查询使用一条将返回包含数千数据的结果sql语句

    The second query evaluated USES an SQL statement that returns thousands of result set rows.

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  • 意味着后续SQLOPENCLOSE操作只是游标重新定位结果第一

    This means that subsequent SQL OPEN and CLOSE operations will merely reposition the cursor to the first row of the result set.

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  • for语句时,游标隐式声明这样对于FOR循环每一次迭代取回下一就是结果

    When a for statement is executed, a cursor is implicitly declared such that for each iteration of the for loop, the next row is the result set if fetched.

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  • for语句时,游标隐式声明这样对于FOR循环每一次迭代取回下一就是结果

    When a for statement is executed, a cursor is implicitly declared such that for each iteration of the for loop, the next row is the result set if fetched.

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