De or het collegetafel?

The correct Dutch article is:

de collegetafel

How to use collegetafel

the collegetafelde collegetafel
this collegetafeldeze collegetafel
that collegetafeldie collegetafel
our collegetafelonze collegetafel
your collegetafeljouw collegetafel
every collegetafelelke collegetafel
which collegetafel?welke collegetafel?
a big collegetafel / the big collegetafeleen grote collegetafel, de grote collegetafel