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October 2, 2024

Database-Management-System

Question 190 Given the following schema: employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id) You want to display the last names and hire dates […]
October 3, 2024

Database-Management-System

Question 243 Read the following and Answer the questions: Consider the relational schema of sailors S, Reserves R and Boats B. Which of the following relational […]
October 3, 2024

Relational-Algebra

Question 46 Read the following and Answer the questions: Consider the relational schema of sailors S, Reserves R and Boats B. Which of the following relational […]
October 19, 2024

Relational-Algebra

Question 45 Read the following and Answer the questions: Consider the relational schema of sailors S, Reserves R and Boats B. A Both Q1 and Q2 […]