SELECT o. *FROM hq_goods gLEFT JOIN hq_orders o ON
o.goods_id = g.idWHERE o.user_id =73AND o.state =1AND o.id not in( select
c.order_id from hq_comme....
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数据库 时间:
2014-06-04 21:36:03
阅读次数:
297
Given an array withnobjects colored red, white
or blue, sort them so that objects of the same color are adjacent, with the
colors in the order red, wh...
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其他好文 时间:
2014-06-04 20:49:33
阅读次数:
276
Given a matrix ofmxnelements (mrows,ncolumns),
return all elements of the matrix in spiral order.For example,Given the
following matrix:[ [ 1, 2, 3 ]....
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其他好文 时间:
2014-06-04 20:06:52
阅读次数:
256
Given a set of distinct integers,S, return all
possible subsets.Note: Elements in a subset must be in non-descending order. The
solution set m...
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其他好文 时间:
2014-06-04 20:01:32
阅读次数:
340
The set[1,2,3,…,n]contains a total ofn! unique
permutations.By listing and labeling all of the permutations in order,We get the
following sequence (ie...
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其他好文 时间:
2014-06-04 19:56:17
阅读次数:
347
Given an integern, generate a square matrix
filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should
return the following matri...
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其他好文 时间:
2014-06-04 19:28:23
阅读次数:
220
Given an array withnobjects colored red, white or
blue, sort them so that objects of the same color are adjacent, with the colors
in the order red, wh...
分类:
其他好文 时间:
2014-06-03 13:13:50
阅读次数:
537
关于index_hint
在mysql查询语句中可以通过指定index_hint来告诉优化器如何使用索引,详细可以参考这里index_hint: USE {INDEX|KEY} [FOR
{JOIN|ORDER BY|GROUP BY}] ([index_list]) | IGNO...
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数据库 时间:
2014-06-03 13:05:59
阅读次数:
394
本文希望通过简单的总结,把常用的查询方法予以总结,希望能够明确在心主要涵盖:模糊查询、排序、分组、集合函数、TOP、Case包括:Between、In、Like、And、Or、Order
by包括:Group by、Distinct、MAX\MIN、Avg、Count、Sum、Having、Top、...
分类:
数据库 时间:
2014-05-29 23:13:46
阅读次数:
456
Please follow the steps precisely in order to
complete the objectives of the assignment. If you use the C++ FreeRTOS
framework, it should make the ass...
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移动开发 时间:
2014-05-29 16:53:33
阅读次数:
483