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DATEDIF (Start Date, End Date, Unit)

• Syntax: DATEDIF(start_date, end_date, "unit")
• About: Calculates the difference between two dates in days, months, or years.
• Example: To find out how many months a subscription has been active, use DATEDIF(activated_at, today(), "M") to get the total number of months between the start date and today.

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EOMONTH (Start Date, Months)

• Syntax: EOMONTH(start_date, months)
• About: Returns the last day of the month a specified number of months away from the start date.
• Example: To find the end date of the current billing cycle, use EOMONTH(today(), 0) to get the last day of the current month.

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MONTH (Date)

• Syntax: MONTH(date)
• About: Extracts the month from a given date as a number between 1 (January) and 12 (December).
• Example: To categorize transactions by month, use MONTH(transaction_date) to convert a date to a month number.

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YEAR (Date)

• Syntax: YEAR(date)
• About: Extracts the year from a given date as a four-digit number.
• Example: To filter data from the current year, compare YEAR(due_date) with YEAR(today()) to check if the years match.

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TODAY (Current Date)

• Syntax: today()
• About: Returns the current date, with no time component.
• Example: To check if a subscription is due today, compare today() with the next_billing_at date to trigger an alert if they match.