Using 1Z0-082 Exam Tests - Get Rid Of Oracle Database Administration I

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Oracle 1Z1-082 Certification Exam consists of 80 multiple-choice questions that must be completed within 120 minutes. 1Z0-082 Exam is available in several languages, including English, Japanese, and Simplified Chinese. Candidates must achieve a minimum score of 63% to pass the exam and earn their certification.

Oracle Database Administration I Sample Questions (Q25-Q30):

NEW QUESTION # 25
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)

A. ORDER BY "Last Name"
B. ORDER BY 2, 1
C. ORDER BY "CUST_NO"
D. ORDER BY CUST_NO
E. ORDER BY 2, cust_id

Answer: B,D,E

NEW QUESTION # 26
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)

A. V$SESSION_WAIT
B. V$SESSION_WAIT_CLASS
C. V$SESSION_EVENT
D. V$SESSION
E. V$SYSTEM_EVENT

Answer: A,C

NEW QUESTION # 27
Examine the description of the CUSTOMERS table:

For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?

A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND cust_credit_limit IS NOT NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND due_amount != NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level <> NULL AND due_amount <> NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level != NULL AND cust_credit_level !=NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND due_amount IS NOT NULL;

Answer: A

NEW QUESTION # 28
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:

Exhibit 1.

Exhibit 2.

What will be the result?

A. It gives an error because the GROUP BY clause is not valid
B. It executes successfully but does not give the required result
C. It gives an error because the ALL keyword is not valid
D. It executes successfully and gives the required result

Answer: D

NEW QUESTION # 29
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
B. NULLS influence the precedence of operators in an expression
C. Multiple parentheses can be used to override the default precedence of operators in an expression
D. Arithmetic operators with equal precedence are evaluated from left to right within an expression
E. The + binary operator has the highest precedence in an expression in a SQL statement

Answer: C,E

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm

NEW QUESTION # 30
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