Examine the command:

What does ON DELETE CASCADE imply?

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS:

You want to generate a report that shows all course IDs irrespective of whether they have corresponding department IDs or not but no department IDs if they do not have any courses.
Which SQL statement must you use?

View the Exhibit and examine the structure of the EMPLOYEES and JOB_HISTORY tables.

Examine this query which must select the employee IDs of all the employees who have held the job SA_MAN at any time during their employment.
SELECT employee_id
FROM employees
WHERE job_id = 'SA_MAN'
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SELECT employee_id
FROM job_history
WHERE job_id='SA_MAN';
Choose two correct SET operators which would cause the query to return the desired result. (Choose two.)

Examine this SELECT statement and view the Exhibit to see its output:

SELECT constraints_name, constraints_type, search_condition, r_constraint_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS'; Which two statements are true about the output? (Choose two.)

Examine the structure of the EMPLOYEES table.

You must display the details of employees who have manager with MANAGER_ID 100, who were hired in the past 6 months and who have salaries greater than 10000.
Which query would retrieve the required result?