定义唯一约束，用关键字（） -题库考试答案搜索网

定义唯一约束，用关键字（）

单选题

2021-07-17 23:12

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: ">ＵＮＩＱＵＥ</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: ">ＯＮＬＹ</span><span lang="EN-US" style="FONT-SIZE: 14pt"></span><p></p><p></p>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: ">ＯＮＥ</span><span lang="EN-US" style="FONT-SIZE: 14pt"></span><p></p><p></p>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: ">ＮＵＬＬ</span><span lang="EN-US" style="FONT-SIZE: 14pt"></span><p></p><p></p>

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正确答案

A

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标签：计算机科学与技术（脱产）专升本数据库系统概论平时作业1 期末考试

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