This is because these update operations require synchronous writing to the database log.
原因是这些更新操作都要求同步地写到数据库日志。
Metadata database log (derby.log, db2diag.log)
元数据数据库日志 (derby.log,db2diag.log)
Figure 10 shows the database log output in the database Explorer.
图10显示了DatabaseExplorer中的数据库日志输出。
This parameter causes archived logs to be kept in the database log path directory.
该参数使归档日志保留在数据库日志路径目录中。
Writing audit log events is comparable to writing database log records in a database system.
编写审核日志事件可比作在数据库系统中编写数据库日志记录。
This parameter specifies the default directory for the queue database log files.
此参数指定队列数据库日志文件的默认目录。
A small database log file size can run out of log space and cause the redistribution to fail.
如果数据库日志文件比较小，则会很快用完日志空间，并导致重分发失败。
LOG_DIR: This is an optional parameter that represents the location of the database log files.
LOG_DIR：可选参数，表示数据库日志文件的位置。
Capture: This component is responsible for reading the database log and capturing the changes.
Capture：该组件负责读取数据库日志，抽取增量。
If you encounter the SQL0964C error, you will need to increase the values of your database log file parameters.
如果遇到SQL 0964c错误，就需要增加数据库日志文件参数的值。
The following sections discuss how to capture anecdotal network information and how to create and examine database log files.
下面讨论如何捕获零散的网络信息，以及如何创建和分析数据库日志文件。
Online archived logs: These are the log files that reside in the database log directory (' online ') and are no longer needed for normal database activity.
联机归档日志：它们是驻留在数据库日志目录(“online”)中、普通数据库活动不再需要的日志文件。
Your performance needs may require you to place the database log files on different disk arms than the database data or indicate some other placement needs.
您的性能需求可能需要将数据库日志文件放置在与数据库数据不同的磁盘上，或需要采取其他放置方式。
TPC-C is an OLTP benchmark which requires efficient use of large memory, intensive random read/write I/O, and has extremely intensive database log activity.
TPC-C是一种OLTP基准，要求有效地使用大量内存，大量的随机read/writeI/O，并且有很密集的数据库日志活动。
Archive logs that are currently stored in the database log path directory are not moved to the new location if the database is configured for roll-forward recovery.
如果将数据库配置成进行前滚恢复，那么就不会将当前存储在数据库日志路径目录中的归档日志移到新的位置。
If you enable a publication to be initialized from a backup, changes to published tables are tracked in the publication database log as soon as the publication is created.
如果让发布能够从备份中初始化，则一旦创建了发布，就会在发布数据库日志中跟踪对已发布表的更改。
CDC instance (change data Capture instance) - an agent software for each database that reads database log files and replicates changes to target databases using another CDC agent.
CDC实例(ChangeDataCapture实例)-面向每个数据库的代理软件，可以使用另一个CDC代理读取数据库日志文件并复制对目标数据库的更改。
Used for internal data structure synchronization within a backup operation, such as database, log, or file backup.
用于备份操作(例如，数据库、日志或文件备份)中的内部数据结构同步。
Used for internal data structure synchronization within a backup operation, such as database, log, or file backup.
用于备份操作(例如，数据库、日志或文件备份)中的内部数据结构同步。
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