请问一个SQL的问题 我的question表中,有type列名,里面有语文,数字数据,我用select type from question,结果列出来都是重复的,我想要的是不重复的,请问各位有什么好的方法吗? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 select distinct type from question select distinct type from question select distinct type from question--或者select type from question group by type --orselect type from question group by type select distinct type from question select distinct type from question SQL codeselectdistinct typefrom question和select typefrom questiongroupby type SQL 2008 求助 存储过程事务问题 统计的sql语句怎么写 两个实例的问题 如何select得到不等于星期六和星期天的日期 聚集索引字段的效率问题 为何这条查询语句不起作用 急~急~数据恢复问题~~~ 100分求解。。有关树的递归查询 请帮助!!!!!!!!!!!!!!!!! 求解一较高难度SQL语句 SQL2005导出EXCEL的方法有哪些?
select distinct type from question
select type from question group by type
select distinct type from question
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select typefrom questiongroupby type