compound key

• 1. 复合键: Composite Key | compound key | a second | Combine Key
• 2. 复合键、组合键: composite key
• 3. 或称作为复合键: Composity key

更多释义

• 1.复合键就是由多个列组成的键。
  A composite key is a key made up of multiple columns.
  dict.yoduao.com
• 2.为了使用操作系统中的标识符惟一地表示维度，您有时需要使用一个复合键。
  To uniquely represent a dimension using identifiers from an operational system, you sometimes need to use a composite key.
  dict.yoduao.com
• 3.如果定义复合键，则主键中列的顺序与关系图的表中显示的列顺序匹配。
  If you define a compound key, the order of columns in the primary key matches the order of columns as shown in the table in your diagram.
  dict.yoduao.com

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