更多"SLELECT 名字 AND 年龄 FROM 职员表 WHERE 姓名"的相关试题:
[填空题]SELECT名字年龄FROM职员表WHERE姓名LIKE‘李%’，这句话的意思是______。
[单项选择]假设职员表已在当前工作区打开，其当前记录的“姓名”字段值为“李彤”(C型字段)。在命令窗口输入并执行如下命令：
姓名=姓名-"出勤"
姓名
屏幕上会显示______。
A. 李彤
B. 李彤出勤
C. 李彤出勤
D. 李彤-出勤
[单项选择]有学生关系：学生(学号，姓名，年龄)，对学生关系的查询语句如下：
SELECT 学号 FROM 学生 WHERE 年龄＞20 AND 姓名 LIKE ’%海’
如果要提高该语句的查询效率，应该建立索引的属性是______。
A. 学号
B. 姓名
C. 年龄
D. (学号，姓名)
[单项选择]学生表中有“学号”、“姓名”和“年龄”三个字段，SQL语句“SELECT学号FROM学生”完成的关系操作称为______。
A. 选择
B. 投影
C. 连接
D. 并
[单项选择]学生表中有“学号”“姓名”和“年龄”三个字段，SQL语句“SELECT学号FROM学生”完成的操作称为( )。
A. 选择
B. 投影
C. 连接
D. 并
[填空题]若“姓名”和“地址”是表中的字段名，表达式：姓名Like"王*"AND住址Like"北京*"表示______意思。
[填空题]Opinions from other scientists might go like this: "Why should they want to get in touch with us They may want to observe us only and ______ (不干涉) the development of our civilization."
[单项选择]What do man like to read from the passage
[填空题]Young couples like to live separately from their parents but would like to have their parents within distance to take care of them, especially their child.
[单项选择]What do men like to read from the passage
[单项选择]It looked just like another aircraft from the outside. The pilot told his young passengers that it was built in 1964, a Boeing KC-135 refueling tanker, based on the 707. But appearances were deceptive, and the 13 students from Europe and the USA who boarded the aircraft were in for the flight of their lives.
Inside, the area that normally had seats had become a long white tunnel. Heavily padded from floor to ceiling, it looked a bit like a lunatic asylum. There were almost no windows, but lights along the padded walls eerily illuminated it. Most of the seats had been taken out, apart from a few at the back, where the young scientists quickly took their places with a look of apprehension.
For 12 months, science students from across the continents had competed to win a place on the flight at the invitation of the European Space Agency. The challenge had been to suggest imaginative experiments to be conducted in weightless conditions.
For the next two hours the Boeing
A. It had no seats.
B. The inside was painted white.
C. It had no windows.
D. The outside was misleadin
