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Oracle 1z1-071 (Oracle Database SQL) Certification Exam is an industry-recognized certification program that validates an individual's skills and knowledge in SQL database. 1z1-071 exam is designed to test the candidate's ability to manage, maintain, and manipulate data using SQL language. Oracle Database SQL certification is highly valued in the IT industry, and passing the exam opens up a range of career opportunities for individuals.

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Oracle 1z0-071 certification exam consists of 73 multiple-choice questions that must be completed within 100 minutes. 1z1-071 Exam covers a range of topics, including SQL fundamentals, data retrieval, data manipulation, table creation, and table maintenance. Candidates must demonstrate a deep understanding of SQL programming concepts and be able to apply their knowledge to real-world scenarios.

Oracle Database SQL Sample Questions (Q196-Q201):

NEW QUESTION # 196
Which statement is true about aggregate functions?

A. Aggregate functions can be nested to any number of levels.
B. The AVG function implicitly converts NULLSto zero.
C. Aggregate functions can be used in any clause of a SELECTstatement.
D. The MAXand MINfunctions can be used on columns with character data types.

Answer: A

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/functions003.htm

NEW QUESTION # 197
Evaluate the following SQL statement:
SQL> 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 ORDERBYclauses either one of which can complete the query.

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

Answer: A,B,D

NEW QUESTION # 198
Which two statements are true regarding the EXISTSoperator used in the correlated subqueries?
(Choose two.)

A. The outer query stops evaluating the result set of the inner query when the first value is found.
B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query.
C. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query.
D. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed.

Answer: A,C

Explanation:
Explanation/Reference:
References:
http://www.techonthenet.com/oracle/exists.php

NEW QUESTION # 199
Examine the description of the PRODUCT_INFORMATION table:

A. SELECT COUNT(DISTINCT list_price) FROM product_information WHERE list_price is null.
B. SELECT count(nvl( list_price,0)) FROM product_information WHERE list_price is null;
C. SELECT (COUNT(list_price) FROM Product_intormation WHERE list_price=NULL;
D. BELECT COUNT(list_price) FROM product_information where list_price is NULL;

Answer: B

NEW QUESTION # 200
View the Exhibit and examine the structure of the ORDERS table. The ORDER_ID column is the PRIMARY KEY in the ORDERS table.

Evaluate the following CREATE TABLE command:
CREATE TABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cus_id)
AS
SELECT order_id.order_date,customer_id
FROM orders;
Which statement is true regarding the above command?

A. The NEW_ODRDERS table would get created and all the constraints defined on the specified columns in the ORDERS table would be passed to the new table.
B. The NEW_ODRDERS table would not get created because the DEFAULT value cannot be specified in the column definition.
C. The NEW_ODRDERS table would get created and only the NOT NULL constraint defined on the specified columns would be passed to the new table.
D. The NEW_ODRDERS table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.

Answer: C

NEW QUESTION # 201
......

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