Oracle 1Z0-047 : Oracle Database SQL Expert

Reading answers and performing under a timer are different skills. The Real4test online engine for the Oracle Database SQL Expert exam picks out your weak spots and makes you drill them until they stick — a smarter way to master the 264 practice questions for the 1Z0-047 exam.

Oracle 1Z0-047 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Oracle Database SQL Expert
Exam Number:	1Z0-047
Real Exam Qty:	70
Exam Price:	Approximately USD 195 (varies by region)
Related Certifications:	Oracle Database SQL Fundamentals I (1Z0-051)
Available Languages:	Spanish, German, English, Japanese
Exam Duration:	120 minutes
Exam Format:	Multiple Choice, Multiple Response
Certificate Validity Period:	Typically 3 years (depends on Oracle policy)
Passing Score:	Not publicly disclosed (Oracle doesn’t publish exact pass marks)
Sample Questions:
Exam Way:	Onsite at Pearson VUE or online proctored delivery
Pre Condition:	No formal prerequisite, but SQL Fundamentals knowledge recommended
Official Syllabus URL:	https://www.oracle.com/education/certification/

Oracle 1Z0-047 Exam Syllabus Topics:

Everything You Wanted to Ask About the Oracle Database SQL Expert Exam

Which domains make up the 1Z0-047 exam?

The Oracle Database SQL Expert exam spans 17 domains, and they are not weighted equally. The top areas are Hierarchical Retrieval, Retrieving Data Using the SQL SELECT Statement, Displaying Data from Multiple Tables. Budget your study hours to match those weights; the full domain list is in the outline section further up this page.

What is the Oracle Database SQL Expert exam, in plain terms?

The 1Z0-047 exam is Oracle's official certification test, and passing it earns the Other Oracle Certification credential at the Expert level. In career terms, it is verified proof of skill — the kind that moves you up the shortlist when your company works with Oracle technologies, or when you apply to one that does. The same track also includes Oracle Database SQL Fundamentals I (1Z0-051), so this exam can anchor a longer certification plan.

What is the 1Z0-047 passing score, and how much is the exam fee?

You pass the Oracle Database SQL Expert exam at Not publicly disclosed (Oracle doesn’t publish exact pass marks), and each attempt costs Approximately USD 195 (varies by region) — fail, and that fee is due again in full for the retake. Treat mock exams as insurance: keep practicing with Real4test until your scores sit comfortably above Not publicly disclosed (Oracle doesn’t publish exact pass marks) twice in a row, then schedule the real 1Z0-047 exam.

Can I check your 1Z0-047 questions before buying?

Please do. Real4test offers a free demo download for the Oracle Database SQL Expert exam — grab it from the product page or leave your email and we will send it over. Purchases come with 365 days of free updates; after that year, extending the update service costs 50% of the original price in your member zone.

How many questions are in the 1Z0-047 exam and how long does it run?

The Oracle Database SQL Expert exam packs 70 questions into 120 minutes. That ratio leaves almost no room for stalling, so time management is a trained skill, not luck. Our suggestion: rehearse full-length timed sessions in the Real4test engine, learn to park a question and return later, and walk into the 1Z0-047 exam with a pacing plan already rehearsed.

What are the eligibility requirements for the 1Z0-047 exam?

No formal prerequisite, but SQL Fundamentals knowledge recommended Since Oracle revises these rules from time to time, confirm the current prerequisites on the official exam page (https://www.oracle.com/education/certification/) before booking your Oracle Database SQL Expert exam.

What if I fail — and how fast is delivery?

Delivery is effectively instant: your 1Z0-047 download link is emailed within one minute of payment, with no cap on how many computers you install it on. If the email has not shown up within 2 hours, check spam and contact our 7x24 support — we reply quickly and resend immediately. If you fail the Oracle Database SQL Expert exam itself, the refund policy applies when you took the corresponding exam within 60 days of purchase: submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Not covered: attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer material over money? Exchange for two free exam products of equal value and keep the update service on your original purchase.

Oracle Database SQL Expert Sample Questions:

Question #1
View the Exhibit and examine the description of the EMPLOYEES table. Evaluate the following SQL statement: SELECTfirst_name, employee_id, NEXr_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM
employees;
The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees. The review date is the first Monday after the completion of six months of the hiring. The
NLS_TERRITORY parameter is set to AMERICA in the session. Which statement is true regarding this query?

A. The query would execute but the output would give review dates that are Sundays.
B. The query would not execute because date functions cannot be nested.
C. The query would execute to give the desired output.
D. The query would not execute because the NEXT_DAY function accepts a string as argument.

Question #2
In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?

A. to find the groups forming the subtotal in a row
B. to create group-wise grand totals for the groups specified within a GROUP BY clause
C. to create a grouping for expressions or columns specified within a GROUP BY clause in one direction, from right to left for calculating the subtotals
D. to create a grouping for expressions or columns specified within a GROUP BY clause in all possible directions, which is cross-tabular report for calculating the subtotals

Question #3
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 DELETE statements are valid? (Choose all that apply.)

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

Question #4
EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table?

A. UPDATE empdet
SET ename = 'Amit'
WHERE empno = 1234;
B. DELETE FROM empdet
WHERE ename LIKE 'J%';
C. CREATE VIEW empvu AS
SELECT* FROM empdept;
D. CREATE INDEX empdet_dx
ON empdet(empno);

Question #5
View the Exhibit and examine the description of the EMPLOYEES table.
You want to know the EMPLOYEE_ID and FIRST_NAME of all the records in the EMPLOYEES table wherein the JOB_ID column has ST_CLERK or ST_MAN values, the DEPARTMENT_ID column has value 30, and the SALARY column has a value greater than 3,000.
Which SOL statement would get you the desired result?

A. SELECT employee_ d, first_name
FROM employees
WHERE job_id like '%MAN' OR job_id like '%CLERK'
AND (department_id = 30 OR salary > 3000);
B. SELECT employee_ id, first_name
FROM employees
WHERE (job_id like '%MAN' OR job_id like '%CLERK')
AND department_id = 30 AND salary > 3000;
C. SELECT employee_ id, first_name
FROM employees
WHERE (job_id like '%MAN' AND job_id like '%CLERK')
AND department_id = 30 OR salary > 3000;
D. SELECT employee_id, first_name
FROM employees
WHERE job_id like 'MAN%' OR job_id like 'CLERK%'
AND department_id = 30 AND salary > 3000;

Solutions: