The Sequential File的意思|示意

The transaction log is stored as a sequential disk file (or sometimes in a raw partition) and will generally only be written to, not read from, except in the case of rollback or recovery.

事务日志存储为连续的磁盘文件(有时存储在原始分区中)，并且一般只是用于写入而不用于读取，回滚或恢复的情况例外。

Add a Sequential File stage to the top left portion of the job design area for the new parallel job.

将Sequential File阶段添加到新并行作业作业设计区的左上部分。

In the output step, the employee information needs to be mapped to the output sequential file.

在输出步骤中，需要将员工信息映射到输出顺序文件。

In this scenario, the XML stage filters out only the home address from the input XML file, then maps the entire employee information to a single output sequential file.

在该场景中，XML stage从输入XML文件中仅过滤出家庭住址，然后将整个员工信息映射到单一输出顺序文件。

A higher sequentiality tells you that the files are more contiguously allocated, which will also be better for sequential file access.

较高的顺序性意味着文件的分配更连续，这也对顺序文件访问有利。

The job is designed to combine data from two sequential files into an XML file, and the XML file is then written into a column in the database.

该作业旨在将来自两个连续文件的数据合并为一个 XML 文件，且该 XML 文件将被写入数据库中的列。