How to rename columns and change column data type?

如何重命名列并修改列数据类型？

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Edit Columns dialog box to change column types.

“编辑列”对话框来更改列类型。

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In Figure 3, you were modifying the primary key of an existing table using the Change Column dialog window.

在图3中，您要使用Change Column对话框窗口来编辑已存在表格的主键值。

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I'm even cautiously optimistic that the current impasse over gun regulation is a bad-equilibrium that few consumers actually want, and that a reconstructed Freedom Group, fighting for sensible change as a fifth column from within the industry, might well find that many people -- even a significant portion of the NRA's members -- would buy from a truly responsible (and high quality) gunmaker if given the chance.

CNN: Freedom Group, a gunmaker ripe for an ethical takeover

"If they can deliver what they are saying, and you don't even have to make a change in the vehicle, that is a positive check in the column, " says Ron Pernick, a partner at clean-technology research and publishing firm Clean Edge.

FORBES: Magazine Article

Dan and Chip Heath point out in their Fast Company magazine column that Emotion, not Knowledge, is the Catalyst for Change.

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