Merge columns to replace existing columns. In Query Editor, ensure that the columns that you want to merge are of Text data type. Right-click a column header, and select Change Type > Text from the context menu. Select two or more columns to be merged. Press the CTRL key, and then click on the column headers to select the columns that you want to merge.
Normally we figure out someone's age with current date subtracting the given birth date. So does it in Excel. Step 1: Enter current date in a blank cell, such as 2016/4/7 in Cell B2. Step 2: In another blank cell (says cell C2), enter the formula =INT((B2-A2)/365), and press the Enter key.
On 9-29-2016 we made the following adjustments to the date ranges of Gen x, Millenials, Gen Z: 1  Changed Gen X last births date from 1981 to 1979. 2  Changed Millennial start birth date from 1975 to 1980. 3  Changed Gen Z start birth date from 1995 to 1996.  Changed Gen Z last births date from 2015 to 2010.