Which of the following is a low level operator?

Related MCQs

• State true or false. i) Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation.
• After conversion of high level queries into low level commands for file access and is called compiled_____:
• In query processing, the                        is the lowest-level operator to access data.
• ____ is a translates into low-level instruction that a query processor understands:
• Which of the following is the comparison operator in tuple relational calculus
• Which of the following is not a binary operator in relational algebra?
• Which of the following is not comparison operator?
• Which of the following is a comparison operator?
• View the Exhibit and examine the structure of the EMPLOYEES and DEPARTMENTS tables. Which SET operator would you use in the blank space in the following SQL statement to list the departments where all the employees have managers? SELECT department_id FROM departments ____ SELECT department_id FROM employees WHERE manager_id IS NULL;
• Which is a join condition contains an equality operator: