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Vendor: Oracle
Exam Code: 1Z0-082
Exam Name: Oracle Database Administration I
Certification Provider: Oracle
Total Questions: 162 Q&A ( View Details)
Updated on: May 25, 2026
Note: Product instant download. Please sign in and click My account to download your product.The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER. Which two queries execute successfully? (Choose two.)
A. SELECT NVL(cust_credit_limit * .15, `Not Available') FROM customers;
B. SELECT NVL2(cust_credit_limit * .15, `Not Available') FROM customers;
C. SELECT NVL(TO_CHAR(cust_credit_limit * .15), `Not Available') FROM customers;
D. SELECT TO_CHAR(NVL(cust_credit_limit * .15, `Not Available')) FROM customers;
E. SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), `Not Available') FROM customers;
Which two queries execute successfully? (Choose two.)
A. SELECT NULLIF(NULL, 100) FROM DUAL;
B. SELECT NULLIF(100, 'A') FROM DUAL;
C. SELECT COALESCE(100, 'A') FROM DUAL;
D. SELECT COALESCE(100, NULL, 200) FROM DUAL;
E. SELECT NULLIF(100, 100) FROM DUAL;
Which two statements are true about views? (Choose two.)
A. The WITH CHECK clause prevents certain rows from being updated or inserted in the underlying table through the view.
B. The WITH CHECK clause prevents certain rows from being displayed when querying the view.
C. Views can be updated without the need to re-grant privileges on the view.
D. A view must only refer to tables in its defining query.
E. Views can be indexed.
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