In order to add new columns, open the table using the Tables module and under the Columns section tab, double-click on the Insert a new record text to insert a new entry in our new column. As this related list is pointing to the Dictionary table (sys_dictionary), any record that we enter in this embedded list will get stored into the Dictionary table as that is where information related to the columns is stored.
As shown in the following screenshot, set the value of the Column label field as Location Name, Type as String, and Max length as 40, and click on the green check icon to confirm:
We can insert multiple new ...