Assertion: table's column | /r/HasProperty | primary key
Facets:
value: for table
type: PURPOSE
value: typically
type: DEGREE
Source sentences:
text: A dimension table has a primary key column that uniquely identifies each dimension record (row).
text: If COLUMN_KEY is PRI , the column is a PRIMARY KEY or is one of the columns in a multiple-column PRIMARY KEY .
text: The indexed columns are typically non-primary key columns used in JOIN, WHERE, and ORDER BY clauses.
text: Table columns can have various attributes defining the column functionality (the column is a primary key, there is an index defined on the column, the column has certain default value, etc.).
text: We have introduced a new column called Membership_id which is the primary key for table 1.