5/7/2023 0 Comments Nodejs mssql![]() ![]() Object schema description language and validator for JavaScript objects.įor installing package from Visual Studio code, you can open a terminal in Visual Studio Code using shortcut keys. Parse incoming request bodies in a middleware before your handlers, available under the req.body property. Installing Modulesįast, unopinionated, minimalist web framework for node. Note: Color Theme Visual Studio Code IDE might be different but you can set your custom Color theme as you want.Īfter opening project in Visual Studio Code, we are going to install various packages which we require for creating API.Īll packages will be downloaded from npm (Node Package Manager). Now to open this file in Visual Studio Code, we are going to write "code."Īs you enter the command, it will open Visual Studio code as you can see below. Opening the Project in Visual Studio Code from the Command Prompt Next, it has generated your package.json file. If you say yes, then it is going to create the file. Here, I am going to enter server.js "server.js" as entry point to our application, next, we are not going to set test command, git repository, and keywords, and at last, we are going to set author and license.Īfter that, it will show you what it will write to the package.json file.Īnd finally, it will ask you if you want to generate the package.json file with the setting you have set. I going to enter " product API", next, it is going to ask entry point. It will by default be 1.0.0, after that it will ask description. Here, I am going to enter " demoproductapi," next, it will ask for version. The first question it will ask for is application name. Makes your build reproducible, and therefore much easier to share with other developers.įor creating a package.json file, we are going to first execute command " npm init".Īfter executing the command, it will begin to ask a question for generating the package.json file. Allows you to specify the versions of a package that your project can use, using semantic versioning rules. The file that contains the name of the application, the version and lists the packages that your project depends on. We are going to enter the command " node." After entering the command, it should enter into language shell mode as shown below:Īfter creating a directory and how to use the " node" command, now let's create package.json. Creating Simple DirectoryĪfter creating Directory next, we are going to test Node for testing if our installed node is working properly. I have created a sample database " TESTDB" with a Products table.Īfter creating a database and tables, next we are going to create a Node.js application. Next, we are going to use Visual Studio Code IDE for development.You can write an entire application using JavaScript, no need to learn a new language. Large ecosystem of the open source library. It is super-fast and highly scalable, e.g., PayPal, Uber, Netflix.Why Node.js If We Already Have Other Frameworks? We can build Web apps and APIS using Node.js. ![]() An open source, cross-platform, and runtime environment for executing JavaScript code outside the browser.This article is designed so that a beginner and professional can easily understand it.īefore starting with creating API, let's understand the basics. undefined ans NaN values are automatically converted to null values.Ĭonst request = new sql. If you omit type, module automatically decide which SQL data type should be used based on JS data type. name - Name of the input parameter without type - SQL data type of input parameter.EABORT ( TransactionError) - Transaction was aborted (by user or because of an error).ENOTBEGUN ( TransactionError) - Transaction has not begun.ECONNCLOSED ( ConnectionError) - Connection is closed.ENOTOPEN ( ConnectionError) - Connection not yet open.ENOCONN ( RequestError) - No connection is specified for that request.ETIMEOUT ( RequestError) - Request timeout.EREQUEST ( RequestError) - Message from SQL Server.Const sql = require ( 'mssql' ) async ( ) => ) ![]()
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