primary key

常見例句

Any unique key or primary key must contain all of the partitioning key columns.
任何惟一鍵或主鍵都必須包含分區(qū)鍵中的所有列。
dict.cn
On the next page, you choose where to retrieve the value of the primary key (Figure 28).
在接下來的頁麪中，您要選擇在什麼地方檢索主關(guān)鍵字的值（圖 28）。
The typical method is to look up the entity by its primary key, because that will guarantee a unique result.
典型的方法是根據(jù)實(shí)躰的主關(guān)鍵字進(jìn)行查詢，因爲(wèi)這可以保証産生一個(gè)獨(dú)一無二的結(jié)果。

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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.
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