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The 1z1-071 exam covers a wide range of topics related to SQL, including basic SQL concepts, data retrieval using SQL, data manipulation using SQL, and database objects such as tables, views, and indexes. 1z0-071 Exam also tests candidates' knowledge of SQL functions, subqueries, and regular expressions. Candidates are expected to have a good understanding of SQL syntax and be able to write complex SQL queries.

Oracle 1z1-071 exam consists of 73 multiple-choice questions, and the time allotted for completion is two hours. 1z0-071 exam covers a wide range of topics, including SQL data retrieval, manipulation, and reporting, as well as database objects and structures, data integrity, and transactions.

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Oracle Database SQL Sample Questions (Q41-Q46):

NEW QUESTION # 41
View the Exhibit and examine the structure of ORDER_ITEMS and ORDERS tables.

You need to remove from the ORDER_ITEMS table those rows that have an order status of 0 or 1 in the ORDERS table.
Which two DELETE statements are valid (Choose two.)
DELETE *

A. FROM order_items
WHERE order_id IN (SELECT order_id)
FROM orders
WHERE order_status IN (0,1));
DELETE
B. FROM (SELECT * FROM order_items I,orders o
WHERE i.order_id = o.order_id AND order_status IN (0,1));
DELETE FROM order_items i
C. FROM order_items
WHERE order_id IN (SELECT order_id
FROM orders
WHERE orders_status in (0,1));
D. WHERE order_id = (SELECT order_id FROM orders o
WHERE i.order_id = o.order_id AND order_status IN (0,1));
DELETE

Answer: B,C

Explanation:
Explanation/Reference:

NEW QUESTION # 42
You issue the following command to drop the PRODUCTStable:
SQL > DROP TABLE products;
Which three statements are true about the implication of this command? (Choose three.)

A. A pending transaction in the session is committed.
B. All data along with the table structure is deleted.
C. All data in the table is deleted but the table structure remains.
D. All views and synonyms on the table remain but they are invalidated.
E. All indexes on the table remain but they are invalidated.

Answer: A,B,D

NEW QUESTION # 43
Examine the description of the EMPLOYEES table:

Which query requires explicit data type conversion?

A. SELECT SUBSTR(join_date, 1, 2) - 10 FROM employees;
B. SELECT join_date || ' ' || salary FROM employees;
C. SELECT salary + '120.50' FROM employees;
D. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
E. SELECT join_date + '20' FROM employees;

Answer: D

Explanation:
Explanation

NEW QUESTION # 44
View the Exhibit and examine the data in the PRODUCTS table.

You must display product names from the PRODUCTS table that belong to the 'Software/other' category with minimum prices as either $2000 or $4000 and with no unit of measure.
You issue this query:

Which statement is true?

A. It executes successfully but returns no result.
B. It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.
C. It executes successfully and returns the required result.
D. It generates an error because the condition specified for the PROD_CATEGORY column is not valid.

Answer: A

NEW QUESTION # 45
Which three statements are true regarding subqueries?

A. Main query and subquery can get data from different tables.
B. Main query and subquery must get data from the same tables.
C. Subqueries can contain GROUP BY and ORDER BYclauses.
D. Subqueries can contain ORDER BYbut not the GROUP BYclause.
E. Multiple columns or expressions can be compared between the main query and subquery.
F. Only one column or expression can be compared between the main query and subquery.

Answer: A,C,E

Explanation:
Explanation/Reference:
References:
http://docs.oracle.com/javadb/10.6.2.1/ref/rrefsqlj13658.html

NEW QUESTION # 46
......

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Oracle Database SQL Sample Questions (Q41-Q46):

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