Figuring out your age from a date of birth can be simple in Excel. First, enter the date of birth in one column and today's date in another. Then, utilize the "=DATEDIF" formula to compute the difference between these two dates. Specify "Y" for years, or use other options like "M" for months or "D" for days. formula in excel to calculate age from

SQL's GROUP BY clause|grouping function|aggregation statement} is a powerful tool for summarizing data. It allows you to aggregate rows with the same value in one or more columns into a single row, making it easier to analyze trends and patterns. Imagine you have a table of sales transactions. Using GROUP BY, you could determine the total revenue f