Which term describes an attribute or combination of attributes that uniquely identifies a row in a relation?
Consider the following relational algebraic expression as well as the Dept1_Parta and Dept2_Parts relations shown in the exhibit: Which of the following relations would result form the given relational algebraic expression?
What is a data dictionary?
Which statement best describes a procedural data manipulation language command?
Which area of database security involves maintaining access to enterprise data?
Which of the following describes two desirable characteristics of a primary key?
