索引1、复合索引(where a and b)若是没有对a和a做单一索引,查询的时候为a;若是对a做单一索引,查询时候为b;若是对b做单一索引,查询时候为c;若是对a,b做复合索...
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where a and b 复合索引
You could look for a career abroad where environmental jobs are better paid and more secure.
你可以在国外找份工作,那里环保工作薪水更高,也更稳定。
What you do for a living is critical to where you settle and how you live – and the converse is also true.
你的工作决定你在哪里定居和怎样生活–反之亦然。
There is a boutique where beachwear and sportswear are on sale.
有家小店在卖海滩装和运动装。
It is a place where plants and animals from the Caribbean Sea share an ecosystem with native North American species.
VOA: special.2009.06.30
Milton opens up a shady space for something approaching a kind of moral relativism where black and white theological categories simply don't apply.
弥尔顿为接近道德上的相对主义,即黑和白之间的区分已经无法简单的适用,开创了先河。
and you feel like you've made a lot of choices in where to go with you and your friend.
你觉得,以往决定跟你的朋友去哪玩的时候你已经出了很多主意。
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