Sql case in select null

In the first example, the value in the SalariedFlag column of the HumanResources. Employee table is evaluated. When subtracting 10 hours from VacationHours results in a negative value, VacationHours is increased by 40 hours; otherwise, VacationHours is increased by 20 hours. In the AdventureWorks database, all data related to people is stored in the Person. Person table. For example, the person may be an employee, vendor representative, or a customer.

The function returns the first and last name of a given BusinessEntityID and the contact type for that person. The statement returns the maximum hourly rate for each job title in the HumanResources. Employee table. The HAVING clause restricts the titles to those that are held by men with a maximum pay rate greater than 40 dollars or women with a maximum pay rate greater than 42 dollars.

When a value does not exist, the text "Not for sale' is displayed. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Is this page helpful? Please rate your experience Yes No. IsNull might help. Add a comment. Active Oldest Votes. Improve this answer. Joachim Isaksson Joachim Isaksson k 22 22 gold badges silver badges bronze badges. Thanks, I'll try this tomorrow. I only fixed the syntax of your query, I can't quite see the logic in your desired result without seeing some input data. Does that help a little? I'm fairly new to SQL so it will take me a while to build you the schemas on that site.

Show 5 more comments. Gordon Linoff Gordon Linoff 1. This runs but doesn't return a value for DATE, it just gives everything a null.

Xin Xin Mahesh Sambu Mahesh Sambu 2 2 silver badges 13 13 bronze badges. Abdullah Zaid Abdullah Zaid 1 1 silver badge 9 9 bronze badges. Kees de Wit Kees de Wit 1, 14 14 silver badges 26 26 bronze badges.

Slight variation on Mahesh solution for mssql: case when isnull B. Amirhossein 2 2 gold badges 10 10 silver badges 31 31 bronze badges. Your welcome, please read help center and get tour for give best feedback. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses.