Node.js is a framework/runtime environment for Javascript .It is open source and is built using the Chrome’s V8 Javascript engine which supports ECMAscript. Traditionally javascript is used for writing scripts for the browser.But Node.js makes it possible to use javascript for server side applications. When we think about Javascript we usually think about it as a scripting […]
Archives for January 2016
Getting Started with Git
Git is an open source version control system.It offers lots of useful features expected in any version control system. We can work in offline mode in Git,this means that even if we are not connected to the network,we can still commit our changes in the local repository.Once we are connected to the network we push […]
Temporary tables in SQL Server
Temporary tables are like normal tables , but these are used to store the result temporarily.We can perform the same operations on the temporary tables as normal tables such as select,delete,update.Unlike normal tables temporary tables are automatically deleted when the user session ends or we manually destroy the table.These tables are stored in the tempdb […]
DbContext in Entity Framework
DbContext is the main class that acts as an interface between the domain classes in our application and the database.To interact with the database we use the DbContext class. We work with the entities in our application ,adding ,updating or deleting entities as required.DbContext is responsible for populating the entities from the database and for updating the […]
Basics of Entity Framework
Entity framework is an open source ORM.ORM stands for Object Relational Mapper.ORM allows us to work with relational databases such as SQL Server and Oracle using strongly typed objects. If we are not using any ORM in our application then to work with relational databases we need to write ADO.NET code.While directly working with ADO.NET […]