索引是用来定位数据页的顺序指针或键的集合。
Indexes are collections of sequentially ordered Pointers or keys used for locating data pages.
数据库快照操作在数据页的水平。
缓冲池数据写远远大于异步池数据页写。
Buffer pool data writes is much greater than Asynchronous pool data page writes.
相反，它将数据直接写到表空间中的数据页。
Instead, it writes the data directly to the data pages in the tablespace.
DB2中的备份实用程序对数据页进行物理上的复制。
The backup utility in DB2 makes physical copies of the data pages.
NCI不会功能新列(包括固定列表)但数据页。
The NCI will not feature the new columns (fixed include list) but the data pages will.
增量备份允许只备份自上一次备份以来发生变化的索引和数据页。
Incremental backup allows you to back up only index and data pages that have changed since a previous backup.
一个或一个以上数据页通常存储在一行存储器元件中。
One or more pages of data are typically stored in one row of memory elements.
因而，读操作与日志写和缓冲池中的数据页的写操作之间存在竞争。
Thus, the read operations compete with log writing and the write operation for data pages from the buffer pool.
在非群集索引下，数据在物理上随机存放在数据页上。
In be not teeming index to fall, data is deposited randomly on physics go up in data page.
这个值与同一行中所有其他属性一起存储在一个数据页中。
The value is stored on a data page together with all other attributes of the same row.
行定位器的结构取决于数据页是存储在堆中还是聚集表中。
The structure of the row locator depends on whether the data pages are stored in a heap or a clustered table.
换句话说，数据页完全不是按照它们在存档介质上的表关联顺序存放的。
In other words, the data pages are not in any order that resembles their table association on your archive media.
例如，假设图1中Member 1要读取不在它本地缓冲池中的数据页。
For example, assume that Member 1 in Figure 1 wants to read a data page that isn't in its local buffer pool.
那么，每次可以直接从索引中读取值时，省略数据页的查找方法都要快得多。
It is much faster to omit data page lookups whenever values can be directly read from index.
而页级的抽样则可以显著减少I/O，因为它只读取一定百分比的数据页。
Page level sampling reduces I/O significantly since it reads only a percentage of the data pages.
TBSCAN：通过直接从数据页中读取所有必要的数据来检索行。
TBSCAN: Retrieves rows by reading all required data directly from the data pages.
是一种通过将数据页标记为不可执行来防止恶意代码执行的硬件机制。
"No eXecute" is a hardware functionality used to block malware code execution by marking data pages.
每个数据页有最多255个“slot”，它包含给定行在页中的偏移量。
Each data page has up to 255 "slots" that hold the offset into the page where a given row can be found.
虽然索引项是连续的，但是不保证包含相邻索引项的行将驻留在同一数据页上。
Although index entries are sequential, there is no guarantee that rows with adjacent index entries will reside on the same data pages.
索引中每个级别的页(包括叶级别的数据页)链接在一个双向链接的列表中。
The pages in each level of the index, including the data pages in the leaf level, are linked in a doubly-linked list.
读、写数据页是普通的操作，因为执行代码通常与含可执行代码的页面相关联。
Read and write are common operations on data pages, while executing code is commonly associated with a page containing executable code.
并且材料证书必须表明正确的牌号，或后附一份说明两个等同牌号的材料数据页。
And the material certificate must state correct grade or be followed by a data sheet showing the two equivalent grade.
值越小，数据页上留出的空间越多，这降低了随索引的增大而拆分数据页的需要。
A lower value leaves more space on the data pages, which reduces the need to split data pages as indexes grow.
换言之，在后续数据页被读入内存并被处理之前，它们可能已经从缓冲区中删除，并写回磁盘。
In other words, it may be removed from the buffer and written back to the disk before subsequent data pages can be read into the memory and processed.
在数据页上预留适当大小的自由空间(如果使用了APPEND模式，则预留的空间为0)。
Reserve an appropriate amount of free space on data pages (0 if using APPEND mode).
本例中，10%的表数据页用于表统计信息的收集，而对于索引统计信息，将使用所有的索引页。
In this example, 10 percent of table data pages are used for the collection of table statistics, while for index statistics all of the index pages will be used.
为了加速这个过程，当第一个页面仍然在内存中时，Informix就可以将下一数据页读入内存。
To speed up the process, Informix has the ability to read the next data page into memory when the first one is still in the memory.
手机版Wikipedia的统计数据每小时更新一次，结果显示在Wikipedia统计数据页上。
Stats on the mobile site are updated every hour on the hour at the Wikipedia Statistics page.
然而数据页之间还是有一定的关联：每个表空间将被指定给一个单独负责处理该表空间中所有数据的进程。
There is however one level of association: each table space will be assigned to one process that is solely responsible for processing all the data in that table space.
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