Unfortunately, it is impossible for SQL Server to provide built-in functions for everything that developers would need. That is why – as developers – we are given an ability to create our own user-defined functions. One such common user-defined function involves the ability to calculate the...
One useful scenario is calculating customer age based on the date of birth (DOB) stored in our database. It is a good idea to calculate the customer age at run time as it is not a constant value. We can use the DATEDIFF() function to check Age as per today’s date. The following...
In this post, I demonstrate how to calculate age from date of birth in SQL. If you have records stored with date of birth, you can easily get age in years. Recently, I was working on a project in which I had to write a SQL query for getting age in years and then filter the reco...
But there's a significant unanswered question in the original post about what to do if there's ...
stopping you making some up. It might not be super realistic, but it gives us something to ...
How to determine the total weeks an employee has worked during a fiscal year using SQL Server. My start date is 12-28-2023 and till today, I would like to calculate the no.of weeks worked by an employee during that time. SQL Server SQL Server A family of Microsoft relat...
But now if you want to change this example to calculate a different first day of the week like “First Tuesday of the Week” you can change the set command above to “set DATEFIRST 2”. First Day of the Year Now I use the year interval (yy) to display the first day of the year....
How to calculate campdate > todays date + 45 days in sql query How to calculate max value for decimal type how to calculate MTD, QTD and YTD how to calculate the fiscal month start and end dates based on the given date How to calculate the size of a VARBINARY(max) field or variable...
Here is one another simple way to calculate median using the PERCENTILE_CONT function introduced in SQL Server 2012.
SQL Server does not have a specific function to calculate mode. However, there are several workarounds to find the mode of the given data set in SQL Server. Let us see one of the workarounds which I am using for my projects.