跟踪级别可以是以下级别之一。
DB 2进程和线程在以下级别上操作。
DB2 threads and processes operate in the following levels. Note that this is a non-exhaustive list but we do highlight the important threads and processes.
更多国家以下级别的地区（如，“威尔士”）
Additional subcountry regions (e.g. "Wales"); many more to come
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