下列各题A)、B)、C)、D)四个选项中，只有一个选项是正确的。 标准SQL基本查询模块的结构是______。
A: SELECT…FROM…ORDER BY
B: SELECT…WHERE…GROUP BY
C: SELECT…WHERE…HAVING
D: SELECT…FROM…WHERE
A: SELECT…FROM…ORDER BY
B: SELECT…WHERE…GROUP BY
C: SELECT…WHERE…HAVING
D: SELECT…FROM…WHERE
举一反三
- 标准SQL基本查询模块的结构是______。 A: SELECT…FROM…ORDER BY B: SELECT…1WHERE…GROUP BY C: SELECT…WHERE…HAVING D: SELECT…FROM…WHERE
- 以下SQL子句的撰写顺序表达正确的是： A: SELECT、FROM、WHERE、GROUP BY、HAVING、ORDER BY B: SELECT、FROM、WHERE、HAVING、GROUP BY、ORDER BY C: SELECT、FROM、WHERE、ORDER BY、HAVING、GROUP BY D: SELECT、FROM、ORDER BY、WHERE、GROUP BY、HAVING
- 把查询语句的各个子句按执行的先后顺序排列，正确的是( ) A: FROM→WHERE→GROUP BY→SELECT→ORDER BY B: SELECT→FROM→WHERE→GROUP BY→ORDER BY C: WHERE→FROM→SELECT→GROUP BY→ORDER BY D: FROM→WHERE→SELECT→ORDER BY→GROUP BY
- SQL语法中，用查询语句时，以下执行顺序正确的是？ A: from、where、groupby、select、distinct*、having、orderby B: from、where、groupby、having、select、distinct*、orderby C: from、groupby、where、select、distinct*、having、orderby D: from、where、groupby、select、distinct*、orderby、having
- 下列 SQL 语句select * from student where sno = '05880101'union select * from student where sno = '05880102'与此查询语句等价的选项是( )。 A: select * from student where sno= '05880101' and sno= '05880102' B: select * from student where sno= '05880101' or sno= '05880102' C: select * from student where sno= '05880101' D: select * from student where sno= '05880102'