An allocation unit is a collection of pages within a heap or B-tree used to manage data based on their page type.
分配单元是堆或B树内用于根据页类型管理数据的页集合。
In addition to placing an intent object (OBJECT) lock on the table, intent heap or B-tree (HOBT) locks are requested on
除了在表上放置意向对象锁(OBJECT锁)外,还请求在以下对象上放置意向堆或B树锁(HOBT锁)
A heap or B-tree can have only one allocation unit of each type in a specific partition.
在堆或B树的特定分区中,每种类型只能有一个分配单元。