Primary Key
Core DatabaseA constraint guaranteeing that one or more columns uniquely identify each row and contain no NULLs. A table can have at most one primary key. Automatically creates a unique B-tree index.
Related terms
A constraint guaranteeing that one or more columns uniquely identify each row and contain no NULLs. A table can have at most one primary key. Automatically creates a unique B-tree index.
Related terms