_______ is a constraint that can be defined only at the column level? August 29, 2021August 29, 2021 administrator _______ is a constraint that can be defined only at the column level?CHECKWell Done. Your Answer is Correct Keep it Up!NOT NULLUNIQUEPRIMARY KEY Share this:FacebookXLike this:Like Loading...Related Posts:If an entity can belong to only one lower level…If an entity can belong to only one lower level…In a sharded replica set environment, w defines the…_______ clause creates temporary relation for the…The _______ operator takes the results of two…A false positive can be defined as: