Oracle Database SQL Free Practice Exam Questions

165 real Oracle Database SQL exam questions with answers and AI explanations. Oracle certification prep — page 8 of 17.

  1. Question 124: Examine this business rule: Each student can work on multiple projects and each project can have multiple students. You must design an Entity Relationship (ER)…
  2. Question 125: Which three are key components of an Entity Relationship Model? (Choose three.)
  3. Question 127: Which statement is true about using functions in WHERE and HAVING?
  4. Question 128: Which three actions can you perform on an existing table containing data? (Choose three.)
  5. Question 129: Which three queries execute successfully? (Choose three.)
  6. Question 130: The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE. You want to display the date of the first Monday after the com…
  7. Question 131: Which two are true about unused columns? (Choose two.)
  8. Question 132: Table HR.EMPLOYEES contains a row where the EMPLOYEE_ID is 109. User ALICE has no privileges to access HR.EMPLOYEES. User ALICE starts a session. User HR start…
  9. Question 134: You want to return the current date and time from the user session, with a data type of TIMESTAMP WITH TIME ZONE. Which function will do this?
  10. Question 136: Which four statements are true about constraints on Oracle tables? (Choose four.)