Oracle Database Administration I Free Practice Exam Questions

136 real Oracle Database Administration I exam questions with answers and AI explanations. Oracle certification prep — page 5 of 14.

1. Question 48: What is true about non-equijoin statement performance? (Choose two.)
2. Question 49: Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)
3. Question 51: Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)
4. Question 52: The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER. Which two queries execute successfully? (Choose two.)
5. Question 53: Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)
6. Question 54: Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
7. Question 55: Which four account management capabilities can be configured using Oracle profiles? (Choose four.)
8. Question 58: A database is configured to use automatic undo management with temporary undo enabled. An UPDATE is executed on a temporary table. Where is the UNDO stored?
9. Question 59: Which three statements are true about a self join? (Choose three.)
10. Question 61: Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command: ALTER DATABASE MOUNT; Which two actions are per…