Authentication method 'caching_sha2_password' not supported by any of the available plugins. 解决办法: 1.输入命令 mysql -u root -p 连接mysql C:\mysql-8.0.19-winx64\bin>mysql -u root -pEnter password: ***********Welcome to the MySQL monitor. Commands end with
最近在做一个新项目开发时,碰到了下面这个问题.在使用EF时,提示错误信息 To continue using Database First or Model First ensure that the Entity Framework connection string is specified in the config file of executing application. To use these classes, that were generated from Database
0 前言 本文正文第一节,会对 Code First 进行基本的介绍,以及对相关名词进行说明,读者一开始可以不用在这里消耗过多时间,可以先操作一遍例子,再回过头理解. 第二节,以一个简单的例子,展示 EF Core 的 Code First 模式的操作流程. 第三节,将 Code First 的其他指令例举出来,以便于日后翻查. 第四节(未完成),将 Code First 其他一些操作,如:在迁移代码中添加 SQL 语句等. 第五节,将 Code First 模式常见的问题列举出来,防止踩坑.
EF产生的背景: 编写ADO.NET访问数据的代码,是沉闷而枯燥的,所以微软提供了一个对象关系映射框架(我们称之为EF),通过EF可以自动帮助我们的程序自动生成相关数据库. Writing and managing ADO.Net code for data access is a tedious and monotonous job. Microsoft has provided an O/RM framework called "Entity Framework" to autom
1.什么是EntityFramework? http://www.entityframeworktutorial.net/what-is-entityframework.aspx Writing and managing ADO.Net code for data access is a tedious乏味 and monotonous单调 job. Microsoft has provided an O/RM[object relational mapping]对象关系映射 framework
filedb FileDB - A C# database to store files FileDB is a free, fast, lightweight C# (v3.5) DLL project to store, retrive and delete files using a single file container on disk. Ideal for store small, medium or big files without databases and keep org
本文转自:https://weblog.west-wind.com/posts/2013/Dec/22/Entity-Framework-and-slow-bulk-INSERTs I’ve been working on an internal project where I needed to load up a large amount of records into a database for testing. On this project I’m using Entity Fram
One of the mistakes I see people make (and have made myself) is assuming that you must choose exactly one ORM strategy for an entire database/application/system. It’s simply not the case. You can (and should) tailor your ORM strategy to your use case