对于图书管理数据库,检索当前至少借阅了5本图书的读者的姓名和职称。下面SQL语句正确的是______。 SELECT姓名,职称FROM读者WHERE借书证号IN;
A.(SELECT 借书证号 FROM 借阅 GROUP BY 总编号 HAVING COUNT(*)>=5)
B.(SELECT 借书证号 FROM 读者 GROUP BY 借书证号 HAVING COUNT(*)>=5)
C.(SELECT 借书证号 FROM 借阅 GROUP BY 借书证号 HAVING SUM(*)>=5)
D.(SELECT 借书证号 FROM 借阅 GROUP BY 借书证号 HAVING COUNT(*)>=5)