问题
单项选择题
数据库SQL 语言 中," AGE IN(15,35 ) " 短语的正确含义是( ) 。
A.AGE = 15 AND AGE = 35
B.AGE = 15 OR AGE = 35
C.AGE < = 35 AND AGE > = 15
D.AGE < 35 AND AGE > 15
答案
参考答案:B
数据库SQL 语言 中," AGE IN(15,35 ) " 短语的正确含义是( ) 。
A.AGE = 15 AND AGE = 35
B.AGE = 15 OR AGE = 35
C.AGE < = 35 AND AGE > = 15
D.AGE < 35 AND AGE > 15
参考答案:B