For example, for family info and a member date, the column key is info:date.

例如，对于系列 info 和成员 date，列键为 info:date。

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The column key is the concatenation of the family name, the: symbol, and the label.

column键由族名、：号和标签组成。

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To convert an existing column into a primary key, click on the column (property in the class) in the diagram.

要转换一个已有的列成为一个主键，在图中点击这个列(类中的属性)。

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This is the third column on key demographics to follow in the Presidential race this year.

FORBES: ZOGBY: Demographics and 2012: Income, Education, Class

The column family is organized by customer ID (primary key), you have columns for first name, last name, address, and all the normal customer information, plus as many rows as are needed for each purchase.

FORBES: What You Need to Know About NoSQL Databases

Many Democrats blame Nader's Green Party candidacy in 2000 for siphoning enough votes away from Al Gore to swing key states, including Florida, into President George W. Bush's column.

CNN: Court OKs Nader on Florida ballot