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搜索关键字:where    ( 20257个结果
001_创建数据库和表
001_创建数据库和表--数据库的创建不能再事物中展开,因为创建数据库本身就是一个事物,平常应该注意避免嵌套事务--创建数据库TEST_BAKIF EXISTS ( SELECT 1 FROM sys.sysdatabases WHERE name = 'TEST_BAK' ) PRINT N'数据...
分类:数据库   时间:2015-02-10 23:03:54    阅读次数:426
002_系统表查询(sysdatabases等)
002_系统表查询(sysdatabases等)--1.获取所有数据库名:SELECT Name FROM Master..SysDatabases ORDER BY Name--2.获取所有表名:--SELECT Name FROM DatabaseName..SysObjects Where X...
分类:数据库   时间:2015-02-10 23:03:22    阅读次数:1169
MySQL Field排序法
检索id=2orid=5orid=9orid=56orid=38.然后按照2,5,9,56,38这个顺序排列,这是题目要求以下为解决方案:1.SELECT * FROM `test` WHERE `id` IN(2,5,9,56,38) ORDER BY FIELD(`id`,2,5,9,56,3....
分类:数据库   时间:2015-02-10 20:05:27    阅读次数:189
SYSAUX表空间满,
step1. 确认到底是哪个段占用了sysaux空间:select segment_name,sum(bytes)/1024/1024 from dba_segments where tablespace_name='SYSAUX' group by segment_name order by 2 ...
分类:其他好文   时间:2015-02-10 18:31:21    阅读次数:141
sql 联合查询
SELECT NZD_Products.Prd_typename a FROM dbo.NZD_Products where dbo.NZD_Products.Prd_barcodenumber = 'PD20090413' unionselect NZD_Seed.Seed_Category a ...
分类:数据库   时间:2015-02-10 18:26:02    阅读次数:184
class A<T> where T:new()
class A where T:new() 这是类型参数约束,where表名了对类型变量T的约束关系。where T:A 表示类型变量是继承于A的,或者是A本省。where T: new()指明了创建T的实例应该使用的构造函数。 .NET支持的类型参数约束有以下五种: where T: struc....
分类:其他好文   时间:2015-02-10 16:40:36    阅读次数:161
leetcode[11]Container With Most Water
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
分类:其他好文   时间:2015-02-10 15:06:30    阅读次数:146
leetcode[36]Valid Sudoku
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 ...
分类:其他好文   时间:2015-02-10 15:03:51    阅读次数:163
leetcode[42]Trapping Rain Water
Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo...
分类:移动开发   时间:2015-02-10 15:00:46    阅读次数:202
leetcode[35]Search Insert Position
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or...
分类:其他好文   时间:2015-02-10 14:50:56    阅读次数:101
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