SQL数据库的相关内容

文章 2017-10-09 来自：开发者社区

Sql Server 2000 如何减小数据库日志文件.ldf的文件大小

-- 减小数据库日志文件LDF大小DECLARE @db NVARCHAR(20) SET @db = '数据库名' DUMP TRANSACTION @db with no_log BACKUP LOG @db with no_log DBCC SHRINKDATABASE(@db)前几天我的数据库SQL server 报日志满错误,于是变改了log.ldf的空间为20G,虽然不报错了,但...

文章 2017-10-09 来自：开发者社区

MS SQL SERVER 主从数据库的实现

主从库是两台服务器上的两个数据库，主库以最快的速度做增删改操作+最新数据的查询操作;从库负责查询较旧数据，做一些对实效性要求较小的分析，报表生成的工作。这样做将数据库的压力分担到两台服务器上从而保证整个系统响应的及时性。 SQL Server提供了复制机制来帮我们实现主从库的机制。 &nb...

文章 2017-10-08 来自：开发者社区

SQL server 2005高可用性之----数据库镜像

SQL server 2005高可用性之数据库镜像，是SQL server 2005的新技术之一，是一种基于软件的高可用性解决方案，可以对不同服务器或同一服务器不同实例之间的数据库实验无数据延迟，自动故障转移的热备份。数据库镜像是基于数据库级别的，只适用于使用完整恢复模式的数据库。一、实验目的：掌握SQL server 2005数据...

文章 2017-10-07 来自：开发者社区

Azure Backup (1) 将SQL Server 2012虚拟机中数据库备份到Azure Storage

　《Windows Azure Platform 系列文章目录》　　本文介绍的是由国内世纪互联运维的China Azure，相比国外的Global Azure。主要区别是存储账号的DNS地址不同，请读者注意区别。　　最近有一个客户想了解，如何将SQL Server 2012虚拟机中的数据库备份到Azure Storage存储账号中，笔者研究了一下，分享给大家。　　...

文章 2017-10-05 来自：开发者社区

数据库SQL Server与C#中数据类型的对应关系

ylbtech- .NET-Basic:数据库SQL Server与C#中数据类型的对应关系数据库SQL SServer与C#中数据类型的对应关系 1.A,返回顶部数据库 C#程序 int int32 text string bigint int64 binary System.Byte[] bit Boolean ...

文章 2017-10-04 来自：开发者社区

[SDK2.2]SQL Azure (13) Azure的两种关系型数据库服务：SQL Azure与SQL Server VM的不同

　《Windows Azure Platform 系列文章目录》　　如果熟悉Windows Azure平台的用户不难发现，对于SQL Server数据库来说，微软提供了两种服务，分别是：　　-Windows Azure SQL Database(也就是以前的SQL Azure)，提供PaaS的关系数据库服务　　-Windows Azure SQL Virtual Machine...

问答 2017-10-02 来自：开发者社区

阿里云服务器用容器运行oracle数据库CPU占用100%，没有执行任何的sql命令，刚启动的时候才占用一点，但慢慢就上升到100%了

阿里云服务器基础版，centos7.3 64位，docker是Docker version 17.09.0-ce-rc2, build 363a3e7，oracle数据库镜像是wnameless/oracle-xe-11g

文章 2017-10-01 来自：开发者社区

SQL注入代码实例。如何使用SQL注入检查漏洞、猜测数据库表明、列名、帐号密码

检查漏洞 1' or 1=1  or ('1' = '1 1' or 1=1)  or '1' = '1 1' or 1=1 or '1' = '1 1'/**/or/**/1=1/**/or/**/'1'= '1 猜表名 1' or 0<(select count(*) from admin) and '1' = '1 1'/**/or/**/0<(select/...

文章 2017-09-30 来自：开发者社区

阿里云数据库挑战赛"SQL优化大师"获奖案例

一、前言 2017/07在阿里云举办的第一届“阿里云数据库挑战赛第一季“慢SQL性能优化赛”期间，我得到知数堂叶老师的鼎力相助，成功突破重围，过关斩将，获得“SQL优化大师”荣誉称号! 阿里云数据库挑战赛第一季“SQL优化大师” 通过这次挑战赛的实践，加上中间叶老师的指导，让我增进了对SQL优化的认识。在此，分享下我的SQL优化过程，希望能给各位提供一些SQL优化方面的思路，大家共同交流进步.....

文章 2017-09-15 来自：开发者社区

python 使用pymssql连接sql server数据库

#coding=utf-8 #!/usr/bin/env python#-------------------------------------------------------------------------------# Name: pymssqlTest.py# Purpose: 测试 pymssql库，该库到这里下载：http://www.lfd.uci.edu/~goh...

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云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。

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