primary key (PK)
- Last UpdatedMar 09, 2016
- 1 minute read
A primary key is one or more columns that uniquely identify a row in a table. A primary key is used for joins with foreign keys in other tables. See also key, foreign key.
A primary key is one or more columns that uniquely identify a row in a table. A primary key is used for joins with foreign keys in other tables. See also key, foreign key.