Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
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其他好文 时间:
2015-05-18 16:00:43
阅读次数:
102
(转)http://tec.5lulu.com/detail/104krn1e6p2w78d77.html现有一段字符串,如apple,banana,orange,pears,grape,要把它按照逗号(,)分割成: applebananaorangepearsgrape 然后使用where ...
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数据库 时间:
2015-05-18 14:24:10
阅读次数:
172
sql语句
select * from think_neirong a,think_class b where a.class_id=b.id
thinkphp语句
$Neirong = M("Neirong");
$con = $Neirong->alias('a')->join('think_class b ON a.class_id= b.id')->select();
具体详...
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Web程序 时间:
2015-05-18 12:54:55
阅读次数:
95
SELECT * FROM [表名] WHERE [字段1]= ‘A’ And [字段2] = ‘B’ And ([字段3] = 888 OR [字段4] = 888 )...
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数据库 时间:
2015-05-18 12:54:11
阅读次数:
162
一、SELECTselect [ALL|DISTINCT] select_list[into new table]FROM table_source[where serch_conditaion][GROUP BY group_by_expression][Having serch_conditai...
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数据库 时间:
2015-05-18 12:43:35
阅读次数:
166
存储过程中自带的exception:--查询人员资料历史 BEGIN SELECT * INTO Po_Sac01 FROM Sac01 WHERE Aac001 = Pi_Aac001 AND Pi_Jfny BETWEE...
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数据库 时间:
2015-05-18 12:34:20
阅读次数:
97
我一直以为Oracle只会锁住需要修改的数据,但在并行下是这样的,并行update是会锁全表的,下面的实验:
session1:
SQL> select sid from v$mystat where rownum=1;
SID
----------
11
SQL> select sid from v$mystat where rownum=1;
SQL>...
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数据库 时间:
2015-05-18 10:51:13
阅读次数:
251
1.查询用户的连接状态Select username,sid,serial# from v$session where username='XY1027';USERNAME SID SERIAL#------------------------------ ---------- ----------...
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数据库 时间:
2015-05-18 10:37:28
阅读次数:
137
值集:1.编辑信息:取上一个值集所选的数据。(值集关联)WHERE BANK_ACCOUNT_ID = :$FLEX$.CE_BANK_ACCOUNT_NUM_NAMEORDER BY STATEMENT_NUMBER其中:$FLEX$.CE_BANK_ACCOUNT_NUM_NAME是取上一个值集...
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其他好文 时间:
2015-05-18 10:37:03
阅读次数:
107
题目描述
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the se...
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其他好文 时间:
2015-05-18 09:12:13
阅读次数:
118