Exam Name: Oracle Database SQL Expert
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification
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Instant Download Oracle : 1Z0-047 Questions & Answers as PDF & Test Engine
Updated: Oct 22, 2026
No. of Questions: 264 Questions & Answers with Testing Engine
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- Total Questions: 264
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Oracle 1Z0-047 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database SQL Expert |
| Exam Number: | 1Z0-047 |
| Available Languages: | Japanese, Spanish, German, English |
| Exam Price: | Approximately USD 195 (varies by region) |
| Passing Score: | Not publicly disclosed (Oracle doesn’t publish exact pass marks) |
| Related Certifications: | Oracle Database SQL Fundamentals I (1Z0-051) |
| Certificate Validity Period: | Typically 3 years (depends on Oracle policy) |
| Exam Format: | Multiple Choice, Multiple Response |
| Real Exam Qty: | 70 |
| Exam Duration: | 120 minutes |
| Sample Questions: | DOWNLOAD DEMO |
| 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:
| Section | Objectives |
|---|---|
| Manipulating Large Data Sets | - Multitable INSERTs and MERGE - Flashback query usage |
| Generating Reports by Grouping Related Data | - GROUPING SETS - ROLLUP and CUBE operations |
| Using Single-Row Functions | - Character, number, and date functions - Conversion functions |
| Managing Data in Different Time Zones | - Datetime functions and timezone handling |
| Manipulating Data | - INSERT, UPDATE, DELETE - Transaction control |
| Reporting Aggregated Data | - HAVING clause usage - Group functions and GROUP BY |
| Creating and Managing Schema Objects | - Views, sequences, and indexes - Private and public synonyms |
| Displaying Data from Multiple Tables | - Cartesian products - Joins (inner, outer, self) |
| Using Subqueries | - Correlated subqueries and WITH clause - Define and use various subquery types |
| Restricting and Sorting Data | - Limit rows returned - Sort query results |
| Using Set Operators | - UNION, INTERSECT, MINUS - Control order of result sets |
| Regular Expression Support | - Using regular expressions in SQL |
| Controlling User Access | - Granting roles and privileges - System and object privileges |
| Retrieving Data Using the SQL SELECT Statement | - List capabilities of SQL SELECT - Understand schema object behavior - Execute basic SELECT statements |
| Using DDL Statements | - Understand data types and constraints - Create and manage tables |
| Managing Objects with Data Dictionary Views | - Use data dictionary views |
| Hierarchical Retrieval | - CONNECT BY and tree-structured queries |
1Z0-047 Exam FAQ — Stay Current, Start Fast, Simulate Real
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.
The Oracle Database SQL Expert exam contains 70 to complete within 120 minutes. Timed simulation in the Prep4away Desktop Test Engine teaches that rhythm before exam day does.
The official Oracle Database SQL Expert outline defines 17 domains. The leading three are Reporting Aggregated Data, Generating Reports by Grouping Related Data, and Using Set Operators. The full list is in the topics section above, and Prep4away's 264 practice questions cover each one.
No formal prerequisite, but SQL Fundamentals knowledge recommended Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
The Oracle Database SQL Expert exam requires Not publicly disclosed (Oracle doesn’t publish exact pass marks) to pass, and registration costs Approximately USD 195 (varies by region). A failed attempt means paying the same fee again — a readiness check with the Prep4away engines before booking is the cheaper option.
The 1Z0-047 exam is a Oracle certification exam validating the Oracle Database SQL Expert syllabus shown above. It belongs to these credential paths: Oracle Database SQL Fundamentals I (1Z0-051). Candidates in 2026 start with Prep4away'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.
Oracle recommends these training resources for the Oracle Database SQL Expert exam:
Follow the training with steady self-testing — the 264 practice questions from Prep4away help you apply theory and fill any gaps the training leaves.
Prep4away 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.
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Oracle Database SQL Expert Sample Questions:
View the Exhibit and examine the structure of the EMPLOYEES table.
You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL clause would let you choose the direction to walk through the hierarchy tree?
- A. WHERE
- B. GROUP BY
- C. START WITH
- D. CONNECT BY PRIOR
- E. HAVING
Correct Answer: D 🗳️
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. Which INSERT statement should be used to add a row into the ORDERS table for the customer
whose CUST LAST NAME is Roberts and CREDIT LIMIT is 600?
- A. INSERT INTO orders (order_id.order_date.order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND
credit _limit=600) .order_total)
VALUES(1 ,'IO-mar-2007', 'direct', &customer_id, 1000); - B. INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND
credit_limit=600) .order_total)
VALUES(1 ,'10-mar-2007', 'direct', &&customer_id, 1000); - C. INSERT INTO orders
VALUES (1,'10-mar-2007', 'direct',
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND
credit_limit=600), 1000); - D. INSERT INTO(SELECT o.order_id, o.order_date.o.orde_mode.c.customer_id, o.order_total
FROM orders o, customers c WHERE o.customer_id = c.customer_id
AND c.cust_last_name='Roberts'ANDc. Credit_limit=600) VALUES (1,'10-mar-2007', 'direct',(SELECT customer_id FROM customers WHERE cust_last_name='Roberts' AND Credit_limit=600), 1000);
Correct Answer: C 🗳️
View the Exhibit and examine the structure of the CUST table.
Evaluate the following SQL statements executed in the given order:
ALTER TABLE cust
ADD CONSTRAINT cust_id_pk PRIMARY KEY(cust_id) DEFERRABLE INITIALLY DEFERRED;
INSERT INTO cust VALUES (1 /RAJ1); --row 1
INSERT INTO cust VALUES (1 ,'SAM); --row 2
COMMIT;
SET CONSTRAINT cust_id_pk IMMEDIATE;
INSERT INTO cust VALUES (1 /LATA1); --row 3
INSERT INTO cust VALUES (2 .KING1); --row 4
COMMIT;
Which rows would be made permanent in the CUST table?
- A. rows 3 and 4
- B. rows 2 and 4
- C. row 4 only
- D. rows 1 and 4
Correct Answer: A 🗳️
View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables.
Which is the best method to load data from the MARKS DETAILStable to the MARKStable?
- A. Conditional FIRST INSERT
- B. Unconditional INSERT
- C. Pivoting INSERT
- D. Conditional ALL INSERT
Correct Answer: C 🗳️
The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS table. If the order value is more than 30000, the details have to be added to the LARGE_DRDERS table. The order ID, order date, and order total should be added to the ORDER_HISTORY table, and order ID and customer ID should be added to the CUST_HISTORY table. Which multitable INSERT statement would you use?
- A. Conditional FIRST INSERT
- B. Unconditional INSERT
- C. Pivoting INSERT
- D. Conditional ALL INSERT
Correct Answer: D 🗳️
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