题目内容

下列四项中,正确的说法包括()。

A. SQL语言是关系数据库的国际标准语言
B. SQL语言具有数据定义、查询、操纵和控制功能
C. SQL语言可以自动实现关系数据库的规范化
D. SQL语言称为结构化查询语言

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Listen to the recording and choose the correct answer to each question.[音频]Q: How old is the speaker?

A. 5 years old
B. 15 years old
C. 50 years old
D. 25 years old

Q: What is the speaker's room number?

A. 306
B. 360
C. 603
D. 630

[音频]Q: What is the flight number?

AT63
B. AT73
C. AT76
D. AT75

Q: What time does the bus leave?

A. 12:45 PM
B. 2:45 PM
C. 4:12 PM
D. 12:40 PM

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