Which function in SQL is used to return the first day of the month for a specified date?Review LaterDATEADDDATEDIFFGETDATEEOMONTH

The function used in SQL to return the first day of the month for a specified date is not directly listed in your options. However, you can achieve this using the DATEADD and EOMONTH functions together.

Here is a step-by-step guide on how to do it:

1. Use the EOMONTH function to get the last day of the previous month. The EOMONTH function returns the last day of the month of a specified date. If you subtract one month from the specified date, it will return the last day of the previous month.

   For example, if the specified date is '2022-12-15', EOMONTH('2022-12-15', -1) will return '2022-11-30'.

2. Use the DATEADD function to add one day to the result of the EOMONTH function. The DATEADD function adds a specified time interval to a date.

   For example, DATEADD(DAY, 1, '2022-11-30') will return '2022-12-01', which is the first day of the month for the specified date '2022-12-15'.

So, the SQL statement would look like this:

SELECT DATEADD(DAY, 1, EOMONTH('2022-12-15', -1)) AS 'FirstDayOfMonth'

This will return '2022-12-01', the first day of the month