• 索引用来定位数据顺序指针集合

    Indexes are collections of sequentially ordered Pointers or keys used for locating data pages.

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  • 缓冲数据等于异步数据写。

    Buffer pool data writes is approximately equal to Asynchronous pool data page writes.

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  • 数据快照操作数据水平

    Database snapshots operate at the data-page level.

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  • 缓冲数据远远大于异步数据写。

    Buffer pool data writes is much greater than Asynchronous pool data page writes.

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  • 相反数据直接写到表空间中的数据

    Instead, it writes the data directly to the data pages in the tablespace.

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  • DB2中的备份实用程序数据进行物理上复制

    The backup utility in DB2 makes physical copies of the data pages.

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  • 注意数据进行抽样,不是索引

    Note that only the table data pages and not the index pages are sampled.

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  • NCI不会功能(包括固定列表)数据

    The NCI will not feature the new columns (fixed include list) but the data pages will.

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  • 数据导航字段视图状态所有属性累计

    A data pager field's view state is the accumulation of all its property values.

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  • 增量备份允许备份上一次备份以来发生变化的索引数据

    Incremental backup allows you to back up only index and data pages that have changed since a previous backup.

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  • 一个以上数据通常存储存储器元件中

    One or more pages of data are typically stored in one row of memory elements.

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  • 因而操作日志缓冲池中的数据操作之间存在竞争

    Thus, the read operations compete with log writing and the write operation for data pages from the buffer pool.

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  • 群集索引下,数据物理随机存放在数据

    In be not teeming index to fall, data is deposited randomly on physics go up in data page.

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  • 这个与同一行所有其他属性一起存储数据

    The value is stored on a data page together with all other attributes of the same row.

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  • 定位器结构取决于数据存储还是聚集表中

    The structure of the row locator depends on whether the data pages are stored in a heap or a clustered table.

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  • 话说,数据完全不是按照它们存档介质上的关联顺序存放的。

    In other words, the data pages are not in any order that resembles their table association on your archive media.

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  • Manager 1试图同一数据中的另一执行更新结果如下

    Result from Manager1 trying to update another row on the same data page.

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  • 例如假设1Member 1读取不在本地缓冲池中的数据

    For example, assume that Member 1 in Figure 1 wants to read a data page that isn't in its local buffer pool.

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  • 那么每次可以直接索引取值时,省略数据查找方法都要快得

    It is much faster to omit data page lookups whenever values can be directly read from index.

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  • 抽样则可以显著减少I/O因为读取一定百分比的数据

    Page level sampling reduces I/O significantly since it reads only a percentage of the data pages.

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  • TBSCAN通过直接数据读取所有必要数据来检索

    TBSCAN: Retrieves rows by reading all required data directly from the data pages.

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  • 一种通过数据标记为不可执行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.

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  • 每个数据最多255个“slot”,它包含给定行在中的偏移量

    Each data page has up to 255 "slots" that hold the offset into the page where a given row can be found.

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  • 虽然索引连续的,但是保证包含相邻索引项的行将驻留同一数据

    Although index entries are sequential, there is no guarantee that rows with adjacent index entries will reside on the same data pages.

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  • 索引每个级别(包括级别的数据)链接一个双向链接列表中

    The pages in each level of the index, including the data pages in the leaf level, are linked in a doubly-linked list.

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  • 数据普通操作因为执行代码通常执行代码的相关联

    Read and write are common operations on data pages, while executing code is commonly associated with a page containing executable code.

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  • 并且材料证书必须表明正确牌号一份说明两个等同牌号的材料数据

    And the material certificate must state correct grade or be followed by a data sheet showing the two equivalent grade.

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  • 越小数据留出空间越多降低了随索引增大拆分数据页需要

    A lower value leaves more space on the data pages, which reduces the need to split data pages as indexes grow.

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  • 换言之,在后续数据读入内存被处理之前它们可能已经缓冲区删除,并磁盘

    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.

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  • 数据预留适当大小自由空间(如果使用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).

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