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Split strings and convert single column to multiple rows by using XQuery
Copied from http://www.mssqltips.com/sqlservertip/1771/splitting-delimited-strings-using-xml-in-sql-server/DECLARE @t TABLE ( ID INT IDENTITY ,...
分类:其他好文   时间:2015-01-22 17:45:02    阅读次数:179
Sql 分页存储过程
drop procedure Emp_fycreate procedure Emp_fy(@rows int,@page int,@tabName varchar(20))asdeclare @str varchar(2000)set @str='select top '+STR(@rows)+' ...
分类:数据库   时间:2015-01-22 12:44:13    阅读次数:199
LeetCode-Spiral Matrix
题目链接:https://oj.leetcode.com/problems/spiral-matrix/ 题目内容: Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the follo...
分类:其他好文   时间:2015-01-22 09:32:41    阅读次数:186
顺时针打印矩阵
顺时针打印矩阵 Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9...
分类:其他好文   时间:2015-01-21 20:04:46    阅读次数:165
QSqlDatabase: QMYSQL driver not loaded 解决方案
在Qt 5中使用数据库连接时,弹出下面的错误: QSqlDatabase: QMYSQL driver not loaded QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL7 从上面的错误可以看出,错误发生在MySQL数据库驱动并未加载。 对于这种错误一般有两种情况: 第一种...
分类:数据库   时间:2015-01-21 18:14:00    阅读次数:755
ORA-14099: all rows in table do not qualify for specified partition
1. 创建分区表 create table range_part_range(id number, deal_date date, contents varchar2(1000)) partition by range(deal_date) (   partition p1 values less than (to_date('2015-01-21', 'yyyy-mm-dd'))...
分类:其他好文   时间:2015-01-21 13:30:05    阅读次数:193
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 for better legibility) P A H N A P L S I I ...
分类:其他好文   时间:2015-01-20 10:29:45    阅读次数:133
[C++]LeetCode: 110 Spiral Matrix (螺旋输出矩阵元素)
题目: Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ]...
分类:编程语言   时间:2015-01-19 17:19:36    阅读次数:219
mysql查询结果输出到文件
mysql查询结果导出/输出/写入到文件方法一:直接执行命令:mysql> select count(1) fromtable into outfile'/tmp/test.xls';Query OK, 31 rows affected (0.00 sec)在目录/tmp/下会产生文件test.xl...
分类:数据库   时间:2015-01-19 14:13:51    阅读次数:176
oracle中dbms_sql的使用
一、使用dbms_sql执行查询 利用dbms_sql执行select语句,其顺序为 open cursor-->parse-->define column-->execute-->fetch rows-->close cursor; 1、创建班组表结构,如下图所示: proteamid:主键ID、proteamname:班组名称,jctype:机车类型,workflag:工作标...
分类:数据库   时间:2015-01-19 12:54:00    阅读次数:251
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