extents
英 [ɪksˈtɛnts]
美 [ɪkˈstɛnts]
n. 程度; 限度; 大小; 面积; 范围
extent的复数
双语例句
- Modify the entry for LogPrimaryFiles to the required value to change the number of primary extents.
将LogPrimaryFiles条目修改为所需的值，以更改主扩展的数量。 - It also includes extents with multi-block and delayed block allocation for performance.
它还包括多块和延迟块分配，以提升性能。 - For maximum efficiency, frequently accessed tables should have as few extents as possible.
为达到效率最大化，频繁访问的表区段应当越少越好。 - Use oncheck-pt to check on the number of partition extents after defragmentation.
可在碎片整理完成后，利用oncheck-pt来检查分区区段的数量。 - However, the REPACK option does not necessarily reduce the number of extents.
然而，REPACK选项不一定减少盘区数量。 - Secondary log file extents are allocated dynamically by the queue manager when the primary files are exhausted.
次日志文件扩展由队列管理器在主文件耗尽的情况下动态分配。 - The second problem, of course, is that a table or an index with many highly active extents will suffer from performance degradation due to increased disk head movement and increased contention for head positioning with other objects in the database.
当然，第二个问题是，有很多高度活跃的盘区的一个表或索引将遭遇性能降低，因为磁头移动的增加和磁头与数据库中其他对象的位置争用的增加。 - 10 primary extents and10 secondary extents for the log specified with the-lp10 and-ls10 flags.
使用-lp10和-ls10标志为日志指定10个主扩展和10个次扩展。 - Extents are a collection of eight physically contiguous pages and are used to efficiently manage the pages.
区是八个物理上连续的页的集合，用来有效地管理页。 - Although you can allocate additional extents, the blocks themselves are allocated separately.
尽管你可以进行额外的扩展，但是块本身是被隔开分派的。