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Oracle 1z1-071 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL
Exam Number:	1z0-071
Certificate Validity Period:	No expiration for this exam/certification
Exam Price:	$245 USD
Available Languages:	Korean, Simplified Chinese, English, Japanese, Portuguese
Passing Score:	63%
Exam Duration:	120 minutes
Related Certifications:	Oracle Database SQL Certified Associate Oracle Database Administrator Certified Associate (DBA)
Real Exam Qty:	70
Exam Format:	Multiple Choice
Sample Questions:	Oracle 1z1-071 Sample Questions
Exam Way:	Pearson VUE testing center (online proctored option available)
Pre Condition:	No formal prerequisites required, but basic knowledge of relational database concepts is recommended
Official Syllabus URL:	https://education.oracle.com/oracle-database-sql-exam

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Oracle Database SQL Sample Questions (Q79-Q84):

NEW QUESTION # 79
The customers table has the following structure:

You need to write a query that does the following tasks:
1. Display the first name and tax amount of the customers. Tax is 5% of their credit limit.
2. Only those customers whose income level has a value should be considered.
3. Customers whose tax amount is null should not be considered.
Which statement accomplishes all the required tasks?

A. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT FROM customers WHERE (cust_income_level, tax_amount) IS NOT NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND cust_credit_limit IS NOT NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT FROM customers WHERE cust_income_level <> NULL AND tax_amount <> NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS TAX_AMOUNT FROM customers WHERE cust_income_level IS NOT NULL AND tax_amount IS NOT NULL;

Answer: B

NEW QUESTION # 80
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 promotionsWHERE promo_begin_date IN (SELECT promo_begin_dateFROM promotionsWHERE promo_category= 'INTERNET');
B. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date > ALL (SELECT promo_begin_dateFROM promotionsWHERE promo_category = 'INTERNET');
C. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date> ALL (SELECT MAX (promo_begin_date)FROM promotions) ANDpromo_category= 'INTERNET';
D. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date> ANY (SELECT promo_begin_dateFROM promotionsWHERE promo_category= 'INTERNET');

Answer: B

NEW QUESTION # 81
Which three are true about multitable INSERTstatements? (Choose three.)

A. They can be performed only by using a subquery.
B. They can be performed on external tables using SQL* Loader.
C. They can insert each computed row into more than one table.
D. They can be performed on views.
E. They can be performed on relational tables.
F. They can be performed on remote tables.

Answer: A,B,E

Explanation:
Explanation/Reference: https://www.akadia.com/services/ora_multitable_insert.html

NEW QUESTION # 82
View and Exhibit and examine the structure and data in the INVOICE table. (Choose two.)

Which two statements are true regarding data type conversion in query expressions?

A. inv_no BETWEEN '101' AND '110' : uses implicit conversion
B. inv_amt = '0255982' : requires explicit conversion
C. inv_date = '15-february-2008' :uses implicit conversion
D. inv_date > '01-02-2008' : uses implicit conversion
E. CONCAT(inv_amt, inv_date) : requires explicit conversion

Answer: A,C

NEW QUESTION # 83
Which three statements are true about a self join?

A. It must be an equijoin.
B. It must be an inner join.
C. The query must use two different aliases for the table.
D. It can be an outer join.
E. The ON clause can be used.
F. The ON clause must be used.

Answer: C,D,E

Explanation:
A self-join is used to join a table to itself, and here's why the selected answers are correct:
* Option B: It can be an outer join.A self-join can indeed be either an inner or an outer join, allowing for more flexibility in how records are matched and returned, especially useful in hierarchical or sequential data scenarios.
* Option E: The query must use two different aliases for the table.When performing a self-join, aliases are necessary to distinguish between the different instances of the same table in the query.
* Option F: The ON clause can be used.In SQL, the ON clause specifies the conditions that match rows in a self-join, offering a clear and structured way to define how the join works.
Other options are not universally true:
* Option A: It must be an inner join. Incorrect because, as explained, outer joins are also possible.
* Option C: The ON clause must be used. Incorrect because the WHERE clause might also be used to specify the join condition.
* Option D: It must be an equijoin. Incorrect because non-equijoins (like non-equality comparisons) can also be used in self-joins.

NEW QUESTION # 84
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