除了增加数据库容量外，对大型RID的支持还简化了表空间的管理(通过合并)，并可以提高存储和内存的利用率。
In addition to increasing database capacity, large RID support can also simplify table space management (through consolidation) and improve storage and memory utilization.
当字符串是这样合并在一起时，由于运行时没有中间字符串，所以连接它们的时间和内存可以减少到零。
When strings are folded together like this, there are no intermediary strings at runtime and the time and memory that would be spent concatenating them is reduced to zero.
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