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LeetCode (22) Word Search
题目描述Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where “adjacent” cells are those horizontally or vertically...
分类:其他好文   时间:2015-04-22 18:19:56    阅读次数:130
查找SQL数据表或视图中的字段属性信息
一、只支持表,非常牛逼的SELECT a.name,(case when (SELECT count(*) FROM sysobjects WHERE (name in (SELECT name FROM sysindexes WHERE (id = a.id) AND (indid in (SEL...
分类:数据库   时间:2015-04-22 18:01:03    阅读次数:142
mysql导出数据到excel表中
mysql>select b.username,a.subject,a.money,FROM_UNIXTIME(a.ctime) from dlyun_ad_shop_pay a INNER JOIN dlyun_common_member b on a.uid=b.uid where a.cti....
分类:数据库   时间:2015-04-22 17:51:50    阅读次数:219
mongodb use where and custom function to query mongodb存储过程
function name regexObjSubObjKeyfunction codefunction(proto,value) { var match=false; var reg = new RegExp('.*'+value); print(JSON.string...
分类:数据库   时间:2015-04-22 17:47:53    阅读次数:160
JFinal调用Oracle存储过程返回结果集
表结构 存储过程 CREATE OR REPLACE PROCEDURE TEST3(TID IN INTEGER,O OUT SYS_REFCURSOR) AS BEGIN IF(TID>0) THEN OPEN O FOR SELECT * FROM XHSCK.T_ADMINISTRATIVE_LEVEL T WHERE T.ADMINISTRATIVE...
分类:数据库   时间:2015-04-22 14:08:17    阅读次数:154
删除重复数据,保留一条ID最小的
SELECT * from TBCITY_Temp where codein ( select code from TBCITY_Temp group by code having count(code) > 1 ) and AutoId not in (select min(AutoId) f.....
分类:其他好文   时间:2015-04-22 13:41:33    阅读次数:136
String sql = "update web_admin set adminname=? ,password=? where id=?;怎么给“?” 传值?
PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES SET SALARY = ? WHERE ID = ?"); pstmt.setBigDecimal(1, 153833.00) pstmt.setInt(2, 1105...
分类:数据库   时间:2015-04-22 13:38:08    阅读次数:362
Managing database evolutions
When you use a relational database, you need a way to track and organize your database schema evolutions. Typically there are several situation where ...
分类:数据库   时间:2015-04-22 13:37:18    阅读次数:221
用 C# 如何判断数据库中是否存在一个值
选定一个列,比如用户编号列//欲插入的用户编号string ll_userID="xxxxxxxx";//查询此编号是否存在SqlCommand mycmd = new SqlCommand("select 用户编号 from table where 用户编号='"+ll_userID+"'", m...
分类:数据库   时间:2015-04-22 13:36:36    阅读次数:149
SQL系列教程
1、SQL教程01——linux下安装SQLite3 2、SQL教程02——SQL基本语句 3、SQL教程03——SQL标准数据类型 4、SQL教程04——alter:在已有的表中添加、修改或删除列 5、SQL教程05——insert、select、where 6、SQL教程06——运算符and和or 7、SQL教程07——order b...
分类:数据库   时间:2015-04-22 11:40:38    阅读次数:170
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