2022秋国家开放大学Oracle数据库编程形考五单项选择题1.使用()子句可以筛选分组后的各组数据。der byD.having2.“select * from dba_data_files where bytes = max(bytes);”出错原因是()。A.该语句语法正确B.字段bytes不存在C.拼写错误D.分组函数不能使用在where子句中3.
全球国家地区数据库 SQL 英文版I. IntroductionIn today's interconnected world, having access to a reliable andprehensive database of global countries and regions is essential for many businesses and organizations.