重标度的宽表进行了改进。
她注意到,在康涅狄格,当涨潮的时候,牡蛎最初把它们的壳打开得最宽,但在14天后,它们的节奏已经适应了伊利诺斯州的潮汐时间表。
She noted that the oysters initially opened their shells widest when it was high tide in Connecticut, but that after fourteen days their rhythms had adapted to the tide schedule in Illinois.
下面的例子定义了两个缓冲池和两个表空间,一个表空间的页宽为4KB,另一个表空间的页宽为32KB(注意,一个表空间总是要有一个缓冲池,且缓冲池要有一个匹配的页宽) 。
The following example defines two buffer pools and two table spaces, one each with 4KB and 32KB pages. (Note that a table space always requires a buffer pool with a matching page size.)
使用页数(以表空间页宽为单位定义)。
Number of used pages (defined in units of tablespace page size).
缓冲池数据物理读数(以表空间页宽为单位定义)。
Buffer pool data physical reads (defined in units of tablespace page size).
缓冲池索引物理读数(以表空间页宽为单位定义)。
Buffer pool index physical reads (defined in units of tablespace page size).
缓冲池x da物理读数(以表空间页宽为单位定义)。
Buffer pool xda physical reads (defined in units of tablespace page size).
表空间页宽(4KB、8 KB、16 KB或32 KB)。
相反,表的页宽是由相应的缓冲池的页宽来确定的,这个缓冲池也就是为包含该表的表空间所指定的缓冲池。
Rather, the page size for tables is determined by the page size of the buffer pool to which the table space containing the table is assigned.
如果您做了性能分析,发现对于XML数据需要大的页宽,而对于关系数据或索引则需要小的页宽,那么可以使用不同的表空间来实现这一点。
If you have done a performance analysis and find that you need a large page size for XML data but a small page size for relational data or indexes, you can use separate table Spaces to achieve this.
通常来说,该元素值设定的宽度比我们需要的宽度要宽很多,所以还需使用级联样式表来设置该元素值的宽度。
Normally, this would render much wider than you need it, so you'll then use Cascading Style Sheets to set the width of its value.
务必使用具有较大页宽的dms表空间(见提示2),这是一个关键的先决条件。
As a key prerequisite, be sure to use DMS table Spaces with a large page size (see Tip 2).
更少的缓冲池和表空间,以及更少的页宽种类,可以导致更简单的物理数据库设计,从而更容易管理、维护和调优。
Fewer buffer pools and table Spaces and fewer distinct page sizes lead to a simpler physical database design which is easier to manage, maintain, and tune.
下一步,要计算您将需要使表居中的缩进量,这基于页面宽度、两个 72点边距、一个宽列和三个正常列。
Next, calculate the amount of indent you'll need to center the table, based on the page width, two 72-point margins, one wide column, and three regular columns.
例如,如果有一个页宽为4KB(4096)的表空间,那么一行的最大大小不能超过4005字节(请参阅参考资料一节,了解关于SQL限制的更多信息)。
For example, if you have a table space with a page size of 4 KB (4096), then the maximum length of a row is restricted to 4005 bytes (see the Resources section for more information on SQL limits).
然后,第 3行则启动表定义,而紧接着的4行定义该表中的列宽。
Then, line 3 starts the table definition, and the 4 following lines define the column widths in this table.
如果表行大于页宽的一半,则应该使用FREEPAGE,因为在那样的环境下不能在一页上再INSERT一行。
FREEPAGE should be used if your table rows are larger than half a page, since you cannot INSERT a second row on a page in such circumstances.
表空间的页宽越大,每个文档划分成的子块数量就越小。
The larger the page size of your table space the lower the number of potential splits per document.
这可能要求将表放入到一个页宽较大(例如32 K)的表空间中,因为页宽必须大到足以装下所有的非lob和非long列。
It may require putting the table in a tablespace with a large page size, such as 32k, because the page size must be large enough for all of the non-LOB and non-LONG columns to fit.
内联的XML数据始终和表的关系列位于同一个表空间中,并且不能存储到不同的页宽或单独的表空间。
Inlined XML data always resides in the same table space as the relational columns of the table and cannot be stored on a different page size or in a separate table space.
db2表中一个行中存储的所有值的总大小不能超过表空间的页宽。
The total size of all values stored in a row of a DB2 table is limited by the page size that is used for the table space.
如果一个表中各行的长度要大于4KB,那么就需要使用更大的页宽,因为DB 2不支持跨页(spanned)记录。
If the length of individual rows in a table is longer than 4 KB, then you are required to use a larger page size, since DB2 does not support spanned records.
当定义一个表时,可以将“long”数据定向到一个具有不同页宽的单独的表空间中。
When you define a table, you can direct "long" data into a separate table space with a different page size.
为了进一步增加inlinelength,可以将表放在页宽为8K、16 K甚至32 K的表空间上。
To further increase the inline length, you can settle on a larger page size of 8k, 16k, or even 32k.
以焊接电流为控制量,可以根据此控制作用表对焊缝熔宽进行实时控制。
Based on these fuzzy control forms, weld pool width is easily controlled by adjusting welding current.
该温度控制器控温范围宽,控制精度高,可取代传统的温控表。
This appliance could replace traditional temperature control instrument for wide control range and high control precision.
宽尾墩应用于高拱坝表孔后,其下泄水流的空中扩散特性与宽尾墩流道内的水流特性密切相关。
When flaring gate piers are on surface spillways in high arch dam, the dispersion of plunging jets from surface spillways is closely related to the charateristics of flow.
可以在表设计器中通过调整表列大小手动调整其宽度,或者可以自动调整列大小以适合最宽的项。
You can manually change the width of a table column in Table Designer by resizing it or you can automatically resize a column to fit its widest entry.
将计算作业完成量和学习小时各自均值和方差的代码加入信息表,再分析学习表中数据场宽的处理即可。
The codes of equalizing value and variance for done quantity of calculating job and studying time are added into information table respectively, and then analyze the data field width in studying...
将计算作业完成量和学习小时各自均值和方差的代码加入信息表,再分析学习表中数据场宽的处理即可。
The codes of equalizing value and variance for done quantity of calculating job and studying time are added into information table respectively, and then analyze the data field width in studying...
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