Change a blank field to NULL

[AprilChipman1]

In ArcGIS 10.2, is there a way to change a lot of blank fields to <NULL>?

The properties are set to accept NULL values, but it is only populating the new features with NULL. All of the existing features have just been left blank.

Thanks!

[TimWitt · Accepted solution]

April,

select all the fields that have an empty value, right click the column and chose "Field Calculator..." and just type

null

in the box and click OK.

This will change all the empty values to <Null>

Hope this helps!

Tim