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Oracle 1z1-071 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL
Exam Number:	1Z0-071
Certificate Validity Period:	18 months
Exam Duration:	120 minutes
Available Languages:	Spanish, Japanese, Korean, English, Traditional Chinese, Simplified Chinese
Related Certifications:	Oracle Database Developer Certified Associate Oracle Database Administrator Certified Associate
Passing Score:	63%
Exam Price:	US$245
Real Exam Qty:	63 - 78
Exam Format:	Multiple Select, Multiple Choice
Recommended Training:	Oracle Database 19c: SQL Workshop Oracle Database SQL Fundamentals
Exam Registration:	Oracle University Registration Pearson VUE Registration
Sample Questions:	Oracle 1z1-071 Sample Questions
Exam Way:	Online proctored or Onsite at Pearson VUE test centers
Pre Condition:	No mandatory prerequisites; basic knowledge of SQL and relational databases recommended
Official Syllabus URL:	https://education.oracle.com/pexam_1Z0-071

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Oracle Database SQL Sample Questions (Q174-Q179):

NEW QUESTION # 174
Examine this statement:

What is returned upon execution?

A. 1 row
B. an error
C. 0 rows
D. 2 rows

Answer: D

NEW QUESTION # 175
Which three queries use valid expressions?

A. SELECT product_id,unit_price,5 "Discount", unit_price + surcharge-discount FROM products;
B. SELECT product_id, expiry_date * 2 from products;
C. SELECT product_id, unit_price, unit_price + surcharge FROM products;
D. SELECT product_id,(expiry_date - delivery_date) * 2 FROM products;
E. SELECT product_id,(unit_price * 0.15 / (4.75 + 552.25)) FROM products;
F. SELECT product_id,unit_price || 5 "Discount" , unit_price + surcharge - discount FROM products;

Answer: C,D,E

Explanation:
When evaluating whether expressions in SQL queries are valid, consider data type compatibility and the operations performed:
Option A: Valid. The expression performs arithmetic operations (multiplication and division) on numeric data types (unit_price, constants). These operations are allowed and make sense in a mathematical context.
Option B: Valid. This query calculates the difference between two dates (expiry_date and delivery_date), which results in a numeric value representing the number of days between the dates. The result is then multiplied by 2, which is a valid operation on a numeric result.
Option C: Invalid. The expression unit_price || 5 attempts to concatenate a numeric value with a number, which is not valid without explicit conversion to a string. Moreover, the use of quotes around "Discount" is syntactically incorrect in this context.
Option D: Invalid. The expression expiry_date * 2 attempts to multiply a DATE datatype by a numeric value, which is not a valid operation.
Option E: Invalid. Similar to Option C, it incorrectly attempts to concatenate a number directly with a numeric value without conversion. Additionally, the aliasing with quotes is incorrectly placed.
Option F: Valid. This query simply adds two numeric columns (unit_price and surcharge), which is a valid and commonly used arithmetic operation in SQL.

NEW QUESTION # 176
View the Exhibit and examine the structure of the ORDER_ITEMS table.

You must select the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table.
Which query would produce the desired result?

A. SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = MAX(unit_price*quantity)GROUP BY order_id;
B. SELECT order_idFROM order_itemsGROUP BY order_idHAVING SUM(unit_price*quantity) = (SELECT MAX(SUM(unit_price*quantity))FROM order_items GROUP BY order_id);
C. SELECT order_idFROM order_itemsWHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)FROM order_itemsGROUP BY order_id)
D. SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = (SELECT MAX(unit_price*quantity)FROM order_items)GROUP BY order_id;

Answer: B

NEW QUESTION # 177
Which two statements are true about transactions in the Oracle Database server?

A. A session can always see uncommitted updates made by itself.
B. A user can always see uncommitted updates made by the same user in a different session.
C. A Data Definition Language (DDL) statement does a COMMIT automatically only for the data dictionary updates caused by the DDL.
D. An uncommitted transaction commits automatically if the user exists SQL*Plus.
E. Data Manipulation Language (DML) statements always start a new transaction.
F. If a session has an uncommitted transaction, then a DDL statement issues a COMMIT before starting a new transaction.

Answer: A,E

NEW QUESTION # 178
View the exhibit and examine the structure of the PROMOTIONS table.

You have to generate a report that displays the promo name and start date for all promos that started after the last promo in the 'INTERNET' category.
Which query would give you the required output?

A. SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date IN (SELECT promo_begin_date
FROM promotions
WHERE promo_category= `INTERNET');
B. SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date> ANY (SELECT promo_begin_date
FROM promotions
WHERE promo_category= `INTERNET');
C. SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date> ALL (SELECT MAX (promo_begin_date) FROM promotions) AND promo_category= `INTERNET';
D. SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ALL (SELECT promo_begin_date
FROM promotions
WHERE promo_category = `INTERNET');

Answer: D

NEW QUESTION # 179
......

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