Decision table Open expression editor Define top level as decision table Add one input (output) column Delete one input (output) column Notice width of the description column was increased Undo deletion of the column Notice deleted column was returned, however the width of the description column was not decreased to original size Relation Open expression editor Define top level as relation Add two more columns Delete the middle one Notice width of the last column was increased Undo deletion of the column Notice deleted column was returned, however the width of the last column was not decreased to original size