Apply Excel's Insert command to add more table columns. Getty. Microsoft Excel 2010 can convert a worksheet to a data table to help you quickly analyze your related data in formatted rows and columns.

It's easier to add formatting—like a colored background—to table columns than it is to format page columns. Adding columns is ...

Adding a Column With JTable & NetBeans. A JTable is a control you add to a Java application to display lists of data. ... You use the designer to add a column to the table on your desktop form.

Converting Existing Table. If you're modifying an existing table to turn it into a temporal table, you need to not only add the two datetime2 columns, but you must also provide values for existing ...