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【单选题】
关于数据库的触发器,以下说法错误的是:
A.
触发器包含多条sql操作时，是包含在一个事务里的
B.
对于事务引擎，before触发器执行失败，sql不会执行失败。
C.
MySQL中Create table语句不能触发触发器
D.
MySQL主从复制情况下，Row格式的binlog不会触发从库的触发器执行。
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【单选题】用概念模型描述现实世界的事物时,将现实世界的事物个体(事物的一般特征)称为()
A.
属性
B.
对象
C.
实体
D.
联系
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
A detective story.
B.
Their writing assignment.
C.
Professor Wilson's writing course.
D.
A jewelry store robbery.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: Wel...
A.
Writing a story.
B.
Buying a birthday present.
C.
A jewelry store robbery.
D.
Doing research for a class assignment.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative Writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
A detective story.
B.
Their writing assignment.
C.
Professor Wilson's writing course.
D.
A jewelry store robbery.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our Creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking too many courses.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking too many courses.
查看完整题目与答案
【单选题】用概念模型描述现实世界的事物时,将现实世界的事物个体(事物的一般特征)称为()
A.
属性
B.
总体
C.
实体
D.
联系
查看完整题目与答案
【判断题】在预防食品腐败变质上,水分活度比水分含量更可靠。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking ten many courses.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting pass the beginning. M: How come? W: Wel...
A.
A jewelry store robbery
B.
Buying a birthday present
C.
Writing a stow
D.
Doing research for a class assignment
查看完整题目与答案
相关题目：
【单选题】用概念模型描述现实世界的事物时,将现实世界的事物个体(事物的一般特征)称为()
A.
属性
B.
对象
C.
实体
D.
联系
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
A detective story.
B.
Their writing assignment.
C.
Professor Wilson's writing course.
D.
A jewelry store robbery.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: Wel...
A.
Writing a story.
B.
Buying a birthday present.
C.
A jewelry store robbery.
D.
Doing research for a class assignment.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative Writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
A detective story.
B.
Their writing assignment.
C.
Professor Wilson's writing course.
D.
A jewelry store robbery.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our Creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking too many courses.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking too many courses.
查看完整题目与答案
【单选题】用概念模型描述现实世界的事物时,将现实世界的事物个体(事物的一般特征)称为()
A.
属性
B.
总体
C.
实体
D.
联系
查看完整题目与答案
【判断题】在预防食品腐败变质上,水分活度比水分含量更可靠。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: I am so relieved, I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting past the beginning. M: How come? W: We...
A.
Her professor did not like her story.
B.
She had trouble finishing her assignment.
C.
She did not like the topic she had chosen for her paper.
D.
She was taking ten many courses.
查看完整题目与答案
【单选题】听力原文：M: I am so relieved I just finished the story I was working on for our creative writing course. W: I haven't quite finished mine yet. I had trouble getting pass the beginning. M: How come? W: Wel...
A.
A jewelry store robbery
B.
Buying a birthday present
C.
Writing a stow
D.
Doing research for a class assignment
查看完整题目与答案