乐观事务锁不能用于在单个update语句中更新数据行集合，因此在这种情况下，很难进行错误处理。
Optimistic transaction locking should not be used to update sets of rows in a single update statement, as error handling in this case is very difficult.
这个事件对于数据集合的每一行都只发生一次。
在sql术语中，该合并会调用一个外层联系，它会将工作项数据集合中的每一行，与状态数据集合中的单个行使用匹配状态ID来匹配起来。
In SQL terms, this merge calls for an outer join, which matches each row in the work items data set to the single row in the states data set with a matching state ID.
表是数据的集合，对象通常代表一部分（可能是一行）数据。
Tables are generally collections of data, while an object usually represents a single piece (possibly a row) of data.
第8行和第9行定义了两个集合：FOOD和NEED，但是这两个集合的元素都是在第28行和29行的数据部分声明的。
Lines 8 and 9 define two sets: FOOD and NEED, but the elements of those two sets are declared in the data section on lines 28 and 29.
找到九个数据行的集合，它们在配置股票订阅行为时呈递了不同的字段。
Find the set of nine table rows which render the different fields used when configuring a stock subscription.
该节点可以从特定的数据库行查找指定列值的集合。
This node can lookup a collection of named column values from a located database row.
这种方法有很多问题：文件格式是任意的，只保存一个关键字集合，根本没有对象、数据值限制到一行文本等等。
This approach has many problems: the file format is arbitrary, only one set of keywords is saved, objects are not even on the horizon, data values are limited to one line of text, and so on.
第9行声明了一个名为DAYS的集合，其元素(本周中的天数，从周一开始)是在数据部分的第32行中声明的。
Line 9 declares a set named days, and its elements (just the days of the week, starting with Monday) are declared on line 32 in the data section.
给定数据库行中的指定列值集合可以在一个或多个同步处理的XPath表达式中引用。
A collection of named column values from a located database row are referenced within one or more synchronously processed XPath expressions.
每一个集合中有h行数据，每一行有w个字符。
There are H more lines in the data set, each of which includes W characters.
有时候一个集合可以表达一个数据库表，而一个资源可以表达成里面的一行记录，但是这并不是常态。
Occasionally, a Collection can represent a database table, and a Resource can represent a row within that table. However, this is not the usual case.
在关系数据库模型下，数据库的视图是由行和列组成的表的集合。
In the case of the relational database model, the conceptual view of the database is that of a collection of tables consisting of rows and columns.
例如，前面的HTML片断要求一个名为A 2：D7的数据成员，并得到了一个两行七列的行集合。
For example, the previous HTML fragment asks for a data member named A2: D7 and gets a Rowset of two columns and seven rows.
有时需要在不打开行集合的情况下获取有关提供程序、行集合、表、列的信息或其他数据库信息。
Sometimes you need to obtain information about the provider, rowset, table, columns, or other database information without opening the rowset.
有时需要在不打开行集合的情况下获取有关提供程序、行集合、表、列的信息或其他数据库信息。
Sometimes you need to obtain information about the provider, rowset, table, columns, or other database information without opening the rowset.
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