At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

A(n) _____ constraint contains an assertion, such as (PRICE > 0.0), that must always be true for the column on which it is defined.
A. Check
B. Unique
C. Foreign key
D. Primary key