Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table
Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table
Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table
All of above
Table
Field
Record
Character
line
relationship
primary key
records
Memo
Hyperlink
OLE Object
Lookup Wizard
60
64
68
Any number of character