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Mysql编码
查看Mysql编码两种命令:(1)mysql> show variables like 'character%';+--------------------------+----------------------------+| Variable_name | Value ...
分类:数据库   时间:2014-10-21 23:08:52    阅读次数:265
mysql语句中使用like后面的%(百分号)的问题
问题:mysql语句中使用like后面的%(百分号) 是不是越多执行效率越慢! 总用时:0.0489秒 0.0691 0.0485 0.0467 SELECT `goods_name`, `goods_img`, `sku_id`, `import` FROM `goods` WHERE `goods_name` LIKE '%iPhone%iPod%' AND `stime` 1413877244 ORDER BY `flag` DESC 总...
分类:数据库   时间:2014-10-21 17:50:59    阅读次数:240
SQLServer在多个表中都增加一个字段的方法
1、使用游标declare @sql varchar(200), @name varchar(40)declare my_cursor scroll cursor for select name from sysobjects where type = 'u' and name like 'j...
分类:数据库   时间:2014-10-21 13:43:42    阅读次数:209
门店业务明细清单查询
REPORTZSDR035.INCLUDEZSDR035TOP.TABLES: KNA1,MKPF,MSEG,MEAN.DATA: lt_data like TABLE OF ZSMBLIST WITH HEADER LINE.DATA: BEGIN OF lt_data_out OCCURS 0....
分类:其他好文   时间:2014-10-21 11:50:27    阅读次数:331
销售分析报表
REPORTZSDR020.INCLUDEZSDR020TOP.TABLES: ZRLB_H,ZRLB_I,KNA1,/ATU/STOREMASTER,MARA,knvv.DATA: ls_data_out type ZSXSFX, lt_data_out like TABLE OF ZS...
分类:其他好文   时间:2014-10-21 11:36:03    阅读次数:243
Exercise 2: Comments And Pound Characters
# A comment, this is so you can read your program later.# Anything after the # is ignored by python.print "I could have code like this." # and the com...
分类:其他好文   时间:2014-10-21 10:14:12    阅读次数:137
如果回到十八岁,我要对自己说......
I like to joke that I am who I am today because I did everything wrong in my 20's. I've always been fearless, and it often got me in trouble. I wasn't afraid to start a business, borrow a bunch of m...
分类:其他好文   时间:2014-10-20 23:27:46    阅读次数:577
Exercise 1: A Good First Program
print "Hello World!" print "Hello Again" print "I like typing this."print "This is fun." print 'Yay! Printing.'print "I'd much rather you 'not'." prin...
分类:其他好文   时间:2014-10-20 21:01:43    阅读次数:171
Leetcode | ZigZag Conversion
The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font ...
分类:其他好文   时间:2014-10-20 20:49:08    阅读次数:280
mysql聚合函数
1、统计一下插入的数据总数SELECT COUNT(giftCertificateId) AS number FROM gift_certificate WHERE giftCertificateNo LIKE 'boc%';SELECT giftCertificateId, COUNT(gc.`g...
分类:数据库   时间:2014-10-20 13:25:33    阅读次数:174
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