Setting Field Flags

Use the Field Flags to set the field properties, described below.


 

Allow Null

Allow the NULL values for the field.

Note: To set NULL and Empty String as default value, see Setting Other Field Properties.

Primary Key

A Primary Key is a single field or combination of fields that uniquely defines a record. None of the fields that are part of the primary key can contain a null value.

Primary Key Name

Right-click and select Primary Key Name from the popup menu to enter the primary key constraint name.

Fill Factor

Right-click and select Fill Factor from the popup menu to enter the storage parameter. The fillfactor for a table is a percentage between 10 and 100.