Examlex
Supertype/subtype entities are said to have a(n) ________ relationship.
Q6: A defining requirement for BCNF is that
Q28: SQL is not a complete programming language.Rather
Q30: The IIS Web server is automatically installed
Q33: In today's E-R models,attributes of relationships are
Q38: You are given an E-R diagram with
Q49: To add a NOT NULL column to
Q66: The built-in function SUM can be used
Q84: Read-only databases often use several copies of
Q86: Relationships of degree two are referred to
Q89: All relations are tables,but not all tables