A SQL Server database can be created, altered and dropped1. Graphically using SQL Server Management Studio (SSMS) or2. Using a Query To create the database graphically1. Right Click on Databases folder in the Object explorer2. Select New Database3. I…

Creating, Showing, Altering, and Dropping Tables See Hive Data Definition Language for detailed information about creating, showing, altering, and dropping tables. Creating Tables An example statement that would create the page_view table mentioned a…

To add a new app, first cd to the project. Then run: python manage.py startapp scrumboard After that a new folder call 'scrumboard' will be created in you applicaiton folder. Now cd to scrumboard folder and open models.py: from django.db import model…

一. ORA-600 概述 Errorsof the form ORA-600 are called internal errors. This section clarifies themisunderstanding of ORA-600s being synonymous with corruption. An ORA-600 usually has up to five arguments associated withit which gives Oracle support and…

kudu的好处: 快速的olap 列式存储,Hadoop parquet 的一种替代方案 对数据的顺序处理和随机处理都很高效 * High availability. Tablet Servers and Masters use the Raft Consensus Algorithm, which ensures that as long as more than half the total number of replicas is available, the tablet is ava…

建立逻辑路径 create or replace directory dumpdir as 'c:\'; grant read,write on directory dumpdir to scott; 倒入/出 expdp newdr/123456@hncrm directory=test dumpfile=test_score1.dmp logfile=tes t.log parallel=2 schemas=newdr 错误 ORA-00054 resource busy and acqui…

介绍这里我们介绍SQL Sever内部的系统数据库的作用和用户数据库之间联系,关于SQL Sever如何管理用户数据库的原理,对于每个数据库开发人员和DBA都是必须掌握的. SQL Sever系统数据库是用来存储系统级的数据和元数据. SQL Sever包含了6个系统数据库:Master .Model .MSDB .TempDB .Resource .Distribution . 不知道你有没有疑问?在SQL Sever Manage里不是只有4前面个数据? 其实系统数据包含了Master, M…

P6 Professional Installation and Configuration Guide (Microsoft SQL Server Database) 16 R1       May 2016 Contents About This Guide...................................................................................... 11 Shared Topics in This Guide .…

本文转自:http://www.asp.net/mvc/overview/older-versions/getting-started-with-ef-5-using-mvc-4/creating-an-entity-framework-data-model-for-an-asp-net-mvc-application Creating an Entity Framework Data Model for an ASP.NET MVC Application (1 of 10)   By    …

作者:david_zhang@sh [转载时请以超链接形式标明文章] http://www.cnblogs.com/david-zhang-index/p/5042640.html参照文档:https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-configuring-oracle-data-guard/?cdn=disable#implement-the-physical-standby-databas…