Skip to main content

How to select true false based on column value in SQL Server?

Hello everyone, today's I am going to share the query for  select true and false based on column value using the SQL CASE as given below.

CASE WHEN ColumnName IS NULL THEN 'False' ELSE 'True' END

In the below example, UNIT is a table name and UNITID, UNIT and UPDATEDATE is the columns name. Here I using the case on UPDATEDATE column.

For the detail you can see the example.

SELECT  E.UNITID,
    E.UNIT,
    CASE
        WHEN E.UPDATEDDATE IS NULL THEN 'NOT UPDATED'
        ELSE 'UPDATED'
    END AS RTURNING

FROM UNIT E

--OR

SELECT  MP.MASTERPLANID,
    MP.DISPLAYNAME,
            CASE
                        WHEN MP.MOBILENO IS NULL THEN 'False'
                        ELSE 'True'
            END AS ADDONS
             
FROM MASTERPLAN MP WHERE MP.EQUIPMENTID=8


Please see the live output as given in below screen.













Thank you!
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...

55 Best TypeScript Interview Questions and Answers - JavaScript!

What Is TypeScript? By definition, "TypeScript is a typed superset of JavaScript that compiles to plain JavaScript." TypeScript is a superset of JavaScript which provides optional static typing, classes and interfaces. => The TypeScript was first made public in the year 2012. => Typescript is a modern age JavaScript development language. => TypeScript is a strongly typed, object oriented, compiled language. => TypeScript was designed by Anders Hejlsberg (designer of C#) at Microsoft. => TypeScript is both a language and a set of tools. As an Example of TypeScript, class Hello {     msg : string ;      constructor ( message : string ) {          this . msg = message ;      }       getMsg () {          return "Hello, " + this . msg ;      } } TypeScript introduced a great deal...

25 Best Vue.js 2 Interview Questions and Answers

What Is Vue.js? The Vue.js is a progressive JavaScript framework and used to building the interactive user interfaces and also it’s focused on the view layer only (front end). The Vue.js is easy to integrate with other libraries and others existing projects. Vue.js is very popular for Single Page Applications developments. The Vue.js is lighter, smaller in size and so faster. It also supports the MVVM ( Model-View-ViewModel ) pattern. The Vue.js is supporting to multiple Components and libraries like - ü   Tables and data grids ü   Notifications ü   Loader ü   Calendar ü   Display time, date and age ü   Progress Bar ü   Tooltip ü   Overlay ü   Icons ü   Menu ü   Charts ü   Map ü   Pdf viewer ü   And so on The Vue.js was developed by “ Evan You ”, an Ex Google software engineer. The latest version is Vue.js 2. The Vue.js 2 is very similar to Angular because Evan ...

iOS Interview Questions and Answers – iOS 10, 11, 12, 13, 14

What Is iOS? The iOS is a mobile operating system created and developed by Apple Inc . The iOS runs on the iPhone, iPad, iPod Touch and Apple TV and the Initial release of iOS is 29 June 2007. The iOS is written in C++, Objective-C, Swift and the default user interface is Cocoa Touch . What does iOS stand for? The iOS stands for iPhone Operating System , or just “i” + Operating System. What does iOS mean? Basically, iOS is a truncated way of saying ‘iPhone OS’, or ‘iPhone Operating System’. How do I download new iOS apps? You can download apps onto any iOS device from Apple’s App Store. Is iOS is an Operating system? Yes! It is operating system.   How do I update my iPhone or iPad to the latest version of iOS? Your Apple device should automatically detect when an iOS update is available to download and inform you with a pop-up message. Is multitasking function is supported by the iOS? Yes! The iOS supported multitasking. Which JSON ...

Angular 2, 4, 5, 6, 7, 8 and 9 Interview Questions and Answers -Books

» Are you preparing for Angular Interview? Buy this book (Including Angular 8, 7, 6, 5,4, 2) Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A Interview Q/A » A Complete Guide Book of Angular 9 This is a concise, complete overview of the key aspects of Angular 9. It is fully up to date with the latest release of Angular. This article provide all the important aspects required for angular developers looking for brief and useful content... Posted In Angular 9 » A Complete Guide Book of Angular 8 This is a concise, complete overview of the key aspects of Angular 9. It is fully up to date with the latest release of Angular. This article provide all the important aspects required for angular developers looking for brief and useful content... Posted In Angular 8 » A Complete Guide Book of Angular 7 This is a concise, complete overview of the key aspects of Angular 7. It is fully up to date with the latest release of Angular. This ...