Architecting and designing > Data modeling > The Physical Data Model > Objects in a PDM > Columns > Overview of column definitions in a table
  
Overview of column definitions in a table
You enter the columns that define a table in the grid on the Columns tab on the entity dialog box. To see all of the properties of a column in one dialog box instead of the grid, select the column in the grid and click Define under the grid.
Table Definition Column Page popup of column in grid
Grid Row Number Behavior
The sequence number of each column.
Grid Button Behavior
These buttons operate on the row or cell that is currently in focus:
Choices
Opens a list of previously defined data that can be reused in the table definition. You can drag items from the list into the Columns grid to create new columns.
See also
Columns