SQL DAY Function

SQL Day function is one of the SQL Date and Time Function, which will return an integer that represent the day of a specified Date. In this article we will show you, How to use the SQL Server Day function with practical example. For this example, We are going to use the below shown data

SQL DAY Syntax

The basic syntax of the DAY Function in SQL Server is as follows:

date: It can be an  expression that returns the date, or you can use the date and time directly.

SQL DAY Function Example 1

In this example, we will show you the possible ways to use the SQL Server Day function

SQL CODE

OUTPUT

SQL DAY Function Example 2

In this example, we are going to extract the Date from Employee table using the DATEPART Function, and Day function in SQL.

SQL CODE

OUTPUT

From the above screenshot you can observe that, the DATEPART function, and Day function are returning the same result. Remember, before 2012 people used the DATEPART function to extract the day but in SQL Server 2012, Microsoft introduced the day function.

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