Child

Owner

Dominant

All of the above

The same as 0 for integer

The same as blank for character

The same as 0 for integer and blank for character

Not a value

Network Model

Object oriented model

E-R Model

None of these

The name of all fields in all files.

The width of all fields in all files.

The data type of all fields in all file

All of the above

SELECT

PROJECT

JOIN

PRODUCT