Excel Formula Efficiency 3: Database D Functions Are Fast R.Admin 7 years ago Excel Formula Efficiency 3: Database D Functions Are Fast # Share this:Print Excel Tip : How to Generate Unique Usernames using the IF() and COUNTIF() FunctionsDateFebruary 4, 2016In relation toAdvanced Excel TipsExcel Formula Efficiency 4: SUMIFS & COUNTIFS Are FastDateFebruary 23, 2017In relation toLearn ExcelExcel Tips & Tricks for a Successful and Efficient Data AnalysisDateNovember 16, 2014In relation toExcel Tips