Exam Name: Oracle Database SQL Expert
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification
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Updated: Sep 24, 2026
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Oracle 1Z1-047 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database SQL Expert |
| Exam Number: | 1Z0-047 |
| Exam Format: | Multiple Choice, Multiple Select |
| Related Certifications: | OCA Oracle Database OCP Oracle Database Oracle Database 10g/11g/12c Certified Expert |
| Available Languages: | English, Japanese |
| Real Exam Qty: | 70 |
| Certificate Validity Period: | Lifetime (no expiration) |
| Exam Price: | USD 245 (varies by region) |
| Exam Duration: | 120 minutes |
| Passing Score: | 66% |
| Recommended Training: | Oracle Database: Introduction to SQL Oracle Database: SQL Workshop I & II |
| Exam Registration: | Pearson VUE Registration Oracle Education & Certification |
| Sample Questions: | Oracle 1Z1-047 Sample Questions |
| Exam Way: | In-person at Pearson VUE authorized test centers / Online proctored exam |
| Pre Condition: | No mandatory prerequisites; recommended basic SQL knowledge |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=652&get_params=p_exam_id:1Z0-047 |
Oracle 1Z1-047 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced SQL Features | 14% | - Hierarchical queries - Large data types - User access control and privileges - Regular expression support |
| Topic 2: Introduction to SQL and Relational Concepts | 8% | - SQL SELECT statements - Relational database fundamentals |
| Topic 3: Displaying Data from Multiple Tables | 12% | - ANSI/ISO SQL syntax - Equijoins and non-equijoins - Outer joins and self joins |
| Topic 4: Subqueries and Set Operators | 12% | - WITH clause - UNION, UNION ALL, INTERSECT, MINUS - Correlated subqueries and EXISTS - Single-row and multi-row subqueries |
| Topic 5: Restricting and Sorting Data | 10% | - ORDER BY sorting - WHERE clause conditions - Logical operators |
| Topic 6: Data Definition Language (DDL) and Schema Objects | 12% | - Views, sequences, synonyms - Data dictionary views - Constraints and indexes - CREATE/ALTER/DROP tables |
| Topic 7: Group Functions and Aggregation | 10% | - GROUP BY and HAVING clauses - AVG, SUM, COUNT, MAX, MIN - ROLLUP, CUBE, and GROUPING functions |
| Topic 8: Single-Row Functions | 12% | - Character, number, and date functions - General functions and conditional expressions - Conversion functions |
| Topic 9: Data Manipulation Language (DML) | 10% | - INSERT, UPDATE, DELETE statements - Transactions and COMMIT/ROLLBACK/SAVEPOINT |
1Z1-047 Exam FAQ: Quality, Price, and Policy
Oracle recommends these training resources for the Oracle Database SQL Expert exam:
Follow the training with steady self-testing — the 264 practice questions from Pass4Leader help you apply theory and fill any gaps the training leaves.
The official Oracle Database SQL Expert outline defines 9 domains. The leading three are Data Manipulation Language (DML) (10%), Data Definition Language (DDL) and Schema Objects (12%), and Restricting and Sorting Data (10%). The full list is in the topics section above, and Pass4Leader's 264 practice questions cover each one.
In-person at Pearson VUE authorized test centers / Online proctored exam Register for the Oracle Database SQL Expert exam through these official channels:
After booking, Pass4Leader delivers your practice questions within 1 minute — preparation starts the same day.
The Oracle Database SQL Expert exam contains 70 to complete within 120 minutes. Timed simulation in the Pass4Leader Desktop Test Engine teaches that rhythm before exam day does.
Pass4Leader issues a full refund if you take the Oracle Database SQL Expert exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The 1Z1-047 exam is a Oracle certification exam validating the Oracle Database SQL Expert syllabus shown above. It belongs to these credential paths: Oracle Database 10g/11g/12c Certified Expert, OCA Oracle Database, OCP Oracle Database. Candidates in 2026 prepare for it with Pass4Leader's 264 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
No mandatory prerequisites; recommended basic SQL knowledge Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
The Oracle Database SQL Expert exam requires 66% to pass, and registration costs USD 245 (varies by region). A failed attempt means paying the same fee again — a readiness check with the Pass4Leader engines before booking is the cheaper option.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 264 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Oracle Database SQL Expert Sample Questions:
Evaluate the SQL statements: CREATE TABLE new_order
(orderno NUMBER(4),
booking_date TIMESTAMP WITH LOCAL TIME ZONE);
The database is located in San Francisco where the time zone is -8:00.
The user is located in New York where the time zone is -5:00.
A New York user inserts the following record:
INSERT INTO new_order
VALUES(1, TIMESTAMP ?007-05-10 6:00:00 -5:00?);
Which statement is true?
- A. When the New York user selects the row, booking_date is displayed as 2007-05-10 6.00.00.000000 -5:00'.
- B. When the San Francisco user selects the row, booking_date is displayed as 007-05-10
3.00.00.000000 -8:00' - C. When the San Francisco user selects the row, booking_date is displayed as 007-05-10 3.00.00.000000'
- D. When the New York user selects the row, booking_date is displayed as 007-05-10 3.00.00.000000'
Correct Answer: C 🗳️
Which statement correctly differentiates a system privilege from an object privilege?
- A. System privileges can be granted only by the DBA whereas object privileges can be granted by DBAs or the owner of the object.
- B. Users require system privileges to gain access to the database whereas they require object privileges to create objects in the database.
- C. System privileges give the rights to only create user schemas whereas object privileges give rights to manipulate objects in a schema.
- D. A system privilege is the right to perform specific activities in a database whereas an object privilege is a right to perform activities on a specific object in the database.
Correct Answer: D 🗳️
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_ORDERS table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.
- B. The NEW_ORDERS table would get created and only the NOT NULL constraint defined on the specified columns would be passed to the new table.
- C. The NEW_ORDERS table would not get created because the DEFAULT value cannot be specified in the column definition.
- D. The NEW_ORDERS table would get created and all the constraints defined on the specified columns in the ORDERS table would be passed to the new table.
Correct Answer: B 🗳️
Which three tasks can be performed using regular expression support in Oracle Database 10g? (Choose three.)
- A. it can be used to format the output for a column or expression having string data.
- B. it can be used to find out the total length of the string.
- C. it can be used to find and replace operations for a column or expression having string data.
- D. it can be used for string manipulation and searching operations.
- E. it can be used to concatenate two strings.
Correct Answer: A,C,D 🗳️
View the Exhibit and examine the structure of the ORDER_ITEMS table. Examine the following SQL statement: SELECT order_id, product_id, unit_price
FROM order_jtems
WHERE unit_price = (SELECT MAX(unit_price)
FROM order_items
GROUP BY order_id);
You want to display the PRODUCT_ID of the product that has the highest UNIT_PRICE per
ORDER_ID.
What correction should be made in the above SQL statement to achieve this?
- A. Replace = with the >ANY operator.
- B. Remove the GROUP BY clause from the subquery and place it in the main query.
- C. Replace = with the IN operator.
- D. Replace = with the >ALL operator.
Correct Answer: C 🗳️
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