entity framework sqlite

In the system architecture design, cache is the most common strategy to reduce database load and improve performance. The main purpose of cache is to reduce the numberReadOperation. But in different cases, we need to use different forms of cache. For example, if the data in the data table is static and does not change, it is very easy. We only need to load the data to the memory when the system starts, you can read data from the memory each time. For another example, the data in the data tab

Reprint http://www.th7.cn/Program/net/201301/122153.shtmlHow Code first handles inheritance between classes. Entity Framework Code First has three methods for handling inheritance relationships between classes, and we will describe each of the three processing methods.1.Table Per Hierarchy (TPH): Create only one table that maps all the properties in the base class and subclass to the columns in the table.2.

I often see people asking how to layer a project that uses ADO. NET Entity Framework or LINQ to SQL. EF or linq2sql generates an entity class by themselves. Since entity classes run through the entire project, if the automatically generated entity class is used as part of th

Multiple diagrams in Entity Framework 5.0Visual Studio provides a facility to split the design time visual representation of the Entity Data Model. This means can has multiple diagrams for one Entity Data Model.You can create a new diagram in multiple ways: Add a new diagram and drag and drop entities from Mod

In ASP. NET, the actual project application of ADO. NET Entity Framework has doubts. About ADO. NET Entity Framework Theory, entry-level teaching articles have been a lot of, but few people talk about ASP. net projects, which are easy to solve when learning. For example, the most common method of using this form in th

Srikanth manadi, development leader of Entity Framework, saidArticleTo solve the big data model problems in Entity Framework, but it clearly means "using some tips" to solve these problems. This article first talks about the expected number of entities between 50 and 100 for any application. Beyond this range, the edit

Today, I want to introduce how to use the Advanced Configuration feature of Entity Framework code first to process another important component in domain driven design: value object, which is translated as a value object in Chinese. A value object is a class without a lifecycle or a unique identifier in the business logic. Which classes are Entity and which classe

The following system article is the introduction of EF6.0 knowledge, this chapter is the first articleOriginal address: Http://www.entityframeworktutorial.net/entityframework6/introduction.aspx-------------------------------------------------------------------------------------------------------------Entity Framework 6.0 Introduction:Welcome to Entity

Entity Framework power tools is an add-on of Visual Studio. Entity classes can be generated based on the database structure. For developers who use ADO. NET Entity Framework, especially those who useCodeDevelopers with priority (code first) can try it. If you want to use it

Entity Framework The Entity Framework is a set of technologies in ADO. net that helps fill in the space between object-oriented development (objects) and databases. this gap is commonly known as an "impedance mismatch" and it exists because the mapping and organization of classes does not quite match up to the organiz

In this article, I'll explain the use of the Entity Framework (with Windows Communication Foundation (WCF) RESTful services exposed and secured by Windows Azure Access Control Service (ACS)) to implement an Open Data protocol (OData )。 Like most developers, I often find myself trying to use a variety of new methods to integrate a variety of technologies to achieve the project as efficiently as possible whi

The user control references Entity Framework and entityframework. Background: When I was working on the software today, I encountered a problem. I added the Entity Framework to the project. There was no problem with the reference in the form code, and there was a problem with the reference in userControl. I checked

generating POCO data classes and database contexts based on an existing database requires a Visual Studio extension-Entity Framework Power Tools (a Code first reverse engineering tool). Just enter the "Entity Framework Power" Search in the Visual Studio extension to find the latest extensions, click Download (for examp

Http://www.cnblogs.com/dudu/archive/2011/01/29/entity_framework_connection_string.html The connection string used by Entity Framework is different from that used by ADO. net. For details, see: Compared with ADO. net, the connection string of Entity Framework not only stores metadata configuration information, but

Tags: add current Time field default BSP statement configuration database Tables tableFor a database date field that holds the time the record was added, we typically set a default value of GETDATE() instead of getting the current time in the application's code to save it. This avoids the time skew caused by the Web server clock not synchronizing. The Entity Framework Core is designed with this scenario in

Custom paging Effect Based on Entity Framework, entityframework Introduction Previously, I wrote a Dapper-based paging implementation. Now I want to write a paging implementation based on Entity Framework and a general implementation of addition, deletion, and modification. Code Or first code: https://github.com/jinwei

Model First generation mode of Entity Framework, entityframework In the previous blog, we learned about the Database First Development Mode of the EF framework. Today we will look at the third development mode, Model First. From the perspective of name, it is hard to understand that the ModelFirst mode is the development method of the

New Problem New Method: In EntityUpdate specified fields in framework Another article may be annoying. However, writing a blog can improve yourself and help others. It is a great deal of money to gain in every write process and after publishing! Please endure it. In the previous article, "prepare to use entityIn the framework to implement data on-demand Update ", we implement on-demand update, but it is dif

Entity Framework learning suggestions and teaching PPT Jin xuliang ========================================================== ======== Entityframework (EF) is a mainstream Data Access Technology on the Microsoft platform. To introduce this technology to students, I made a three-lecture Entity Framework 5.0 teachin

Navigation Catalog: Farseer.net Lightweight ORM Open source Framework Catalog Previous: Farseer.net Lightweight ORM Open source framework v1.x : Table Data Manipulation Filed under: Farseer.net Lightweight ORM Open source framework v1.x : Data manipulation of views ObjectiveIn V1.0, a map of the view is added. In previous versions, views wer