When using LINKWorx you can add a table to the database that you will be using.

Table Name: PLANT_LINK

Fields:                            Column Data Type

PLANT_ID                       Memo or Long Text

PID_ID                            Number

PLANT_DWG                   Memo  or Long Text

To modify the Data Type, click on View on the ribbon and select Design View

Close the Database and re-select it in LINKWorx