DBS is used to send a value to a cube’s cell. This function cannot send a string to a cube. This function would typically be when you need to bulk upload data in Excel.
In the video, the DBS will be used to apply an adjustment to a cube cell.

Excel

Version 11 and 12

DBS(Value, TM1ServerName:CubeName, Element1, Element2, Element3, …, ElementN)
