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Oracle 1Z0-047 : Oracle Database SQL Expert
- Exam Code: 1Z0-047
- Exam Name: Oracle Database SQL Expert
- Updated: Oct 29, 2026
- Q & A: 264 Questions and Answers
About Oracle 1Z0-047 Exam
Good material is only half the story at VCETorrent. Alongside the 1Z0-047 question bank, seasoned advisors — career elites in their own right — offer progress advice to keep your Oracle Database SQL Expert preparation on track through 2026 and beyond.
Oracle 1Z0-047 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Generating Reports by Grouping Related Data | - GROUPING SETS - ROLLUP and CUBE operations |
| Topic 2: Managing Objects with Data Dictionary Views | - Use data dictionary views |
| Topic 3: Controlling User Access | - System and object privileges - Granting roles and privileges |
| Topic 4: Retrieving Data Using the SQL SELECT Statement | - Understand schema object behavior - List capabilities of SQL SELECT - Execute basic SELECT statements |
| Topic 5: Regular Expression Support | - Using regular expressions in SQL |
| Topic 6: Displaying Data from Multiple Tables | - Joins (inner, outer, self) - Cartesian products |
| Topic 7: Managing Data in Different Time Zones | - Datetime functions and timezone handling |
| Topic 8: Using Set Operators | - UNION, INTERSECT, MINUS - Control order of result sets |
| Topic 9: Restricting and Sorting Data | - Limit rows returned - Sort query results |
| Topic 10: Using DDL Statements | - Understand data types and constraints - Create and manage tables |
| Topic 11: Creating and Managing Schema Objects | - Private and public synonyms - Views, sequences, and indexes |
| Topic 12: Manipulating Data | - Transaction control - INSERT, UPDATE, DELETE |
| Topic 13: Reporting Aggregated Data | - HAVING clause usage - Group functions and GROUP BY |
| Topic 14: Using Single-Row Functions | - Conversion functions - Character, number, and date functions |
| Topic 15: Using Subqueries | - Correlated subqueries and WITH clause - Define and use various subquery types |
| Topic 16: Hierarchical Retrieval | - CONNECT BY and tree-structured queries |
| Topic 17: Manipulating Large Data Sets | - Multitable INSERTs and MERGE - Flashback query usage |
Before You Book the 1Z0-047 Exam: Key Facts
Immediately after checkout, your download link appears on screen and an automatic email with the materials lands in your inbox in about a minute. You can install the software on as many devices as you need, and if the email has not arrived within two hours, our support team will step in. Every purchase includes 365 days of free updates — each revision is compiled in step with current exam trends and emailed to you automatically — followed by a 50% renewal discount when the period ends.
A professional team, for one thing. Our experts compile the 1Z0-047 bank in step with current exam trends, every answer is expert-verified, and there are no amateurs in the group — career-elite advisors also stand by with progress advice when you need direction. Just as important is the relationship: we stay in close contact with users, fold their feedback into every revision, and back each Oracle Database SQL Expert purchase with a free demo, 365 days of free updates, and a clearly stated refund policy.
Oracle sets the following prerequisites for the Oracle Database SQL Expert: No formal prerequisite, but SQL Fundamentals knowledge recommended.
Confirm the current requirements on the official certification page before booking.
The Oracle Database SQL Expert blueprint is organized into these main domains:
- Retrieving Data Using the SQL SELECT Statement
- Using Single-Row Functions
- Reporting Aggregated Data
Further domains complete the official outline, and our question bank spans all of them.
We take responsibility for our materials. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date, and we will process a full refund within seven days of verification. Please note the exclusions: exams taken within three days of purchase are not eligible, the candidate name must match the payer, and free or expired products are not covered. If you would rather switch direction, we can exchange your product for two others of equal value instead.
According to the latest exam information, the 1Z0-047 exam contains 70 questions and runs for 120 minutes minutes. Timing yourself during practice sessions is a smart habit — pacing problems sink more candidates than knowledge gaps.
At present, the passing score for the 1Z0-047 exam is Not publicly disclosed (Oracle doesn’t publish exact pass marks) and the registration fee is Approximately USD 195 (varies by region). Both figures are set by Oracle and can change, so double-check them on the official site when you register.
Oracle Database SQL Expert Sample Questions:
Question #1
Which three statements are true regarding group functions? (Choose three.)
- A. They can be used on only one column in the SELECT clause of a SQL statement.
- B. They can be used only with a SQL statement that has the GROUP BY clause.
- C. They can be used along with the single-row function in the SELECT clause of a SQL statement.
- D. They can be used on columns or expressions.
- E. They can be passed as an argument to another group function.
Correct Answer: C,D,E 🗳️
Question #2
View the Exhibit and examine the structure for the ORDERS and ORDER_ITEMS tables.
You want to display ORDER_ID, PRODUCT_ID, and TOTAL (UNIT_PRICE multiplied by QUANTITY) for all the orders placed in the last seven days.
Which query would you execute?
- A. SELECT o.order_id,oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM order_items oi JOIN orders o
USING (order_id)
WHERE o.order_date>=SYSDATE-7; - B. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM order_items oi JOIN orders o
WHERE o.order_date>=SYSDATE-7
ON (o.order_id=oi. order_id); - C. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL"
FROM orde_items oi JOIN orders o
ON (o.order_id=oi. order_id)
WHERE o. order date>=SYSDATE-7; - D. SELECT orde_id, product_id, unit_price*quantity "TOTAL"
FROM order_items oi JOIN orders o
ON (o.order_id=oi. order_id)
WHERE o.order_date>=SYSDATE-7;
Correct Answer: C 🗳️
Question #3
Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command? (Choose three.)
- A. -8:00'
- B. 'Australia'
- C. dbtimezone Li
- D. local
- E. 'os'
Correct Answer: A,C,D 🗳️
Question #4
Which statement is true regarding Flashback Version Query?
- A. It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
- B. It can be used in subqueries contained only in a SELECT statement.
- C. It will return an error if the undo retention time is less than the lower bound time or SCN specified.
- D. It returns versions of rows only within a transaction.
Correct Answer: A 🗳️
Question #5
View the Exhibit and examine the data in the LOCATIONS table.
Evaluate the following SOL statement: SELECT street_address FROM locations WHERE REGEXP_INSTR(street_address,'[^[: alpha:]] ') = 1;
Which statement is true regarding the output of this SOL statement?
- A. It would display all the street addresses that do not have a substring 'alpha1.
- B. It would display all the street addresses where the first character is a special character.
- C. It would display all the street addresses where the first character is not a letter of the alphabet.
- D. It would display all the street addresses where the first character is a letter of the alphabet.
Correct Answer: C 🗳️
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