Which term describes an attribute or combination of attributes that uniquely identifies a row in
a relation?
Which term best describes one or more database operations that are executed as a single unit?
Using the Customer and Sales_Rep relations shown in the exhibit, you must datermine a relational
algebraic expression that will result in the following relation:
Which of the following relational algebraic expressions would result in this relation?
Which term describes the management of simultaneous transactions to prevent conflicts?
Full Exam Access, Actual Exam Questions, Validated Answers, Anytime Anywhere, No Download Limits, No Practice Limits
Get All 128 Questions & Answers