distinct 和 distinctive 那一个是“明显的”?
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distinct
distinguish和distinct的区别?如题
distinct 和 distinctive 那一个是“明显的”?
求different除了distinct 和vary的替换词
关键字ALL和DISTINCT有什么不同的含义?
diverse和distinct区别Those two suggestion are quite ___ from each other. 是distinct还是diverse?区别是?
DISTINCT是什么意思
请问sql语句“Select Distinct”是什么意思?可不可以讲一下它的用法1.Select Distinct 货品编码,数量 From 订单信息2.Select Distinct 货品编码 From 订单信息第一句和第二句有什么分别,请高手说说Distinct
THose two ideas are quite( )each othera:distinct withb:distinct fromc:distinct ind:distinct in
DISTINCT 的用法?
distinct 的详细使用.
distinct asset 什么意思
distinct 两个字段
英语翻译Word order in a sentence was much freer in old French than it is in French today,this license disappeared as the French language gradually lost its case distinctions.求大神们帮忙翻译翻译,这里this license 和 its case distincti
count(distinct 订单号)和count(*)as 订单数`````group by 订单号,这两个语句是不是同一个运算结果?
group by 和 distinct 的问题select a.partner as pcode, count(distinct(a.deviceid)) as count -- into num4 from test a where a.activationtime >= to_date('2011-4-17', 'yyyy-mm-dd') and a.activationtime < to_date(
sql语句中DISTINCT是什么意思
group by和distinct效果一样 是这样吗这2个用了效果都一样 把重复的去掉 意义都一样吗