问题
单项选择题
下列叙述中，不属于数据库系统的是( )。
A．数据库
B．数据库管理系统
C．数据库管理员
D．数据库应用系统
答案
参考答案：B
解析：数据库系统(Database System，简称DBS)由如下几部分组成，即数据库、数据库管理系统、数据库管理员、硬件和软件。
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下列叙述中，不属于数据库系统的是( )。
A．数据库
B．数据库管理系统
C．数据库管理员
D．数据库应用系统
参考答案：B
解析：数据库系统(Database System，简称DBS)由如下几部分组成，即数据库、数据库管理系统、数据库管理员、硬件和软件。
| 用单词或短语的适当形式填空。 | |
1. Previous experience is______ when you apply for the post. 2. Hundreds of people were killed in the fire,_____ Tom and Mary. 3. How will you ____ to whoever gets bitten by a snake? 4. It is reported that 20 people ______ in the car accident. 5. The plane ______ as planned in spite of the heavy fog. 6. The party was a great success. It is a pity you missed _____ it. 7. I feel it a great ______ to be invited to the party. 8. Having been separated for ten years,I was able to ____ his voice on the phone. 9. Mary was______a medal for winning the first prize. 10. Once you have made a decision,you must_____the decision firmly. |