This effectively means that an ALTER operation cannot be used to drop a column on a table that contains an XML column.
这实际上意味着，在包含xml列的表中，不能用ALTER操作删除列。
In cases where the data type of a column can be altered, the list of compatible data types is automatically listed in the data type drop down for each column.
如果列的数据类型可以更改，则兼容数据类型的列表在每个列的数据类型下拉列表中自动列出。
In addition, notice that the header facet that you added to the column in an earlier step is shown with the Drop a component here text.
另外，注意您在前面步骤中向列添加的报头facet，会和Drop acomponenthere文本一起显示。
You might recall the graphs from last month's column showing how throughput can drop dramatically once multiple threads contend for a built-in monitor lock using synchronization.
您可以回想上月专栏中的图，该图显示了一旦多个线程使用同步竞争一个内置监视器，吞吐量将如何大幅度下降。
This could be the built-in composite application navigator that appears as a column to the left of the screen, or it could be a custom control that presents a list of buttons with drop-down options.
这可以是屏幕左边显示为列的内置复合应用程序导航器，也可以是呈现按钮列表及其下拉选项的定制控件。
Drag and drop a Link component from the palette and drop it on the output text component in the Price column.
从选项板上拖拉一个Link组件，然后将其放到price栏中的输出文本组件中。
The variable association dialog is launched by clicking the value column of the condition row, and selecting Use a variable to return the value in the drop-down box.
通过单击条件行的value列，并在下拉框中选择useavariabletoreturnthe value，可以打开变量关联对话框。
Dropping a column, using the new DROP column clause.
使用新的DROP column子句删除列。
Drag a JSF dropdown control and drop in the new column (Figure 28).
拖动jsfdropdown控制，将其放到新列中(图28)。
Drag and drop the "Sortable column title" to the title cell of a column that you want to have sorting capabilities.
把“SortableColumnTitle ”拖放到希望实现排序功能的列的标题单元格中。
This is important because a high pressure drop would mean that more energy is required to drive the vapour up the distillation column.
这一点很重要，因为如果压力下降太大，就意味着需要更多能量来推动蒸气上升。
Experimental results showed that the circumfluent hydrocyclone with a separate column has the highest collection efficiency and the lowest pressure drop.
实验结果表明，带分离柱的环流式旋流器压降最低，效率最高。
After analyzing and discussing these results of drop test, a reasonable imitation style of spin up and spring back on the column style drop test bed is proposed.
通过对这些落震试验结果进行分析和讨论，得出了在立柱式落震试验台上进行落震试验时合理的起转和回弹载荷的模拟方式。
So that the water drop-shaped column array is a promising configuration with a comprehensive properties and can replace the normal circle-shaped column.
水滴形扰流柱是一种具有综合性能、替代常规圆形扰流柱的理想结构。
The mixing of two phases and the influence of drop size on mass transfer were studied in a spray column with pneumatic nozzle.
本文研究了喷雾塔内的两相混合及雾粒粒径对传质行为的影响。
The mixing of two phases and the influence of drop size on mass transfer were studied in a spray column with pneumatic nozzle.
本文研究了喷雾塔内的两相混合及雾粒粒径对传质行为的影响。
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