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A think-tank is only useful if it makes things clearer. The TestKingIT team arranges the Oracle Database: SQL Fundamentals I points the way candidates actually learn them — 254 practice questions that build understanding, not memorization drills.
Oracle 1Z1-051 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database: SQL Fundamentals I |
| Exam Number: | 1Z0-051 |
| Related Certifications: | Oracle Database 11g Administrator Certified Master (OCM) Oracle Database 11g Administrator Certified Professional (OCP) |
| Exam Format: | Multiple Answer, Single Answer, Multiple Choice |
| Available Languages: | English, Japanese, Traditional Chinese, Simplified Chinese |
| Real Exam Qty: | 66 |
| Passing Score: | 60% |
| Certificate Validity Period: | Valid indefinitely (no expiration) |
| Exam Price: | $95 USD |
| Exam Duration: | 120 minutes |
| Recommended Training: | Oracle Database 11g: SQL Fundamentals I |
| Exam Registration: | Oracle Certification Portal Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No formal prerequisites; basic IT literacy and familiarity with relational database concepts recommended |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-051 |
Oracle 1Z1-051 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Using Single-Row Functions | 15% | - Perform arithmetic with dates - Describe various types of functions available in SQL - Use character, number, and date functions |
| Displaying Data from Multiple Tables | 13% | - Use ANSI SQL-99 join syntax - Join tables using USING and ON clauses - Perform INNER, OUTER, and CROSS joins |
| Manipulating Data | 5% | - Control transactions with COMMIT, ROLLBACK, SAVEPOINT - Insert, update, and delete data |
| Reporting Aggregated Data Using Group Functions | 12% | - Handle null values in group operations - Identify available group functions - Use GROUP BY and HAVING clauses |
| Using Set Operators | 5% | - Control output order with set operators - Apply UNION, UNION ALL, INTERSECT, MINUS |
| Using DDL Statements to Create and Manage Tables | 5% | - Alter and drop tables, manage constraints - Create tables with constraints |
| Using Subqueries to Solve Queries | 8% | - Use multi-row and multi-column subqueries - Define and use single-row subqueries |
| Restricting and Sorting Data | 12% | - Limit rows using the WHERE clause - Apply comparison and logical operators - Sort output using ORDER BY clause |
| Creating Other Schema Objects | 5% | - Create and manage views, sequences, indexes, synonyms |
| Retrieving Data Using SQL SELECT Statements | 15% | - Use arithmetic operators and column aliases - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements |
| Conversion Functions and Conditional Expressions | 10% | - Apply conditional expressions: CASE and DECODE - Use TO_CHAR, TO_NUMBER, TO_DATE functions |
1Z1-051 Exam FAQ: Practical, Current, Expert-Built
No formal prerequisites; basic IT literacy and familiarity with relational database concepts recommended Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
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 254 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The 1Z1-051 exam is a Oracle certification exam validating the Oracle Database: SQL Fundamentals I syllabus shown above. It belongs to these credential paths: Oracle Database 11g Administrator Certified Professional (OCP), Oracle Database 11g Administrator Certified Master (OCM). Candidates in 2026 start with TestKingIT's 254 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 Fundamentals I exam:
Follow the training with steady self-testing — the 254 practice questions from TestKingIT help you apply theory and fill any gaps the training leaves.
The official Oracle Database: SQL Fundamentals I outline defines 11 domains. The leading three are Reporting Aggregated Data Using Group Functions (12%), Creating Other Schema Objects (5%), and Using Subqueries to Solve Queries (8%). The full list is in the topics section above, and TestKingIT's 254 practice questions cover each one.
The Oracle Database: SQL Fundamentals I exam contains 66 to complete within 120 minutes. Timed simulation in the TestKingIT Desktop Test Engine teaches that rhythm before exam day does.
The Oracle Database: SQL Fundamentals I exam requires 60% to pass, and registration costs $95 USD. A failed attempt means paying the same fee again — a readiness check with the TestKingIT engines before booking is the cheaper option.
TestKingIT issues a full refund if you take the Oracle Database: SQL Fundamentals I 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.
Online proctored or onsite at Pearson VUE test centers Register for the Oracle Database: SQL Fundamentals I exam through these official channels:
After booking, TestKingIT delivers your practice questions within 1 minute — preparation starts the same day.
Oracle Database: SQL Fundamentals I Sample Questions:
Examine the structure of the TRANSACTIONS table:
Name Null Type TRANS_ID NOT NULL NUMBER(3)
CUST_NAME VARCHAR2(30)
TRANS_DATE TIMESTAMP
TRANS_AMT NUMBER(10,2)
You want to display the date, time, and transaction amount of transactions that where done before 12 noon.
The value zero should be displayed for transactions where the transaction amount has not been entered.
Which query gives the required result?
- A. SELECT TO_CHAR(trans_date,'dd-mon-yyyy hh24:mi:ss'),
COALESCE(TO_NUMBER(trans_amt,'$99999999.99'),0)
FROM transactions
WHERE TO_DATE(trans_date,'hh24') < 12; - B. SELECT TO_CHAR(trans_date,'dd-mon-yyyy hh24:mi:ss'),
TO_CHAR(trans_amt,'$99999999D99')
FROM transactions
WHERE TO_NUMBER(TO_DATE(trans_date,'hh24')) < 12 AND
COALESCE(trans_amt,NULL)<>NULL; - C. SELECT TO_CHAR(trans_date,'dd-mon-yyyy hh24:mi:ss'),
NVL(TO_CHAR(trans_amt,'$99999999D99'),0)
FROM transactions
WHERE TO_CHAR(trans_date,'hh24') < 12; - D. SELECT TO_DATE (trans_date,'dd-mon-yyyy hh24:mi:ss'),
NVL2(trans_amt,TO_NUMBER(trans_amt,'$99999999.99'), 0)
FROM transactions
WHERE TO_DATE(trans_date,'hh24') < 12;
Correct Answer: C 🗳️
User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database.
Which SQL statement can Mary use to accomplish that task?
- A. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
- B. CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;
- C. CREATE PUBLIC SYNONYM EDL_VU FOR emp_dept_loc_vu;
- D. CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
- E. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu;
- F. CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu;
Correct Answer: C 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
Examine the structure of the ORDERS table:
You want to find the total value of all the orders for each year and issue the following command:
SQL>SELECT TO_CHAR(order_date,'rr'), SUM(order_total)
FROM orders
GROUP BY TO_CHAR(order_date,'yyyy');
Which statement is true regarding the outcome?
- A. It executes successfully but does not give the correct output.
- B. It gives an error because the TO_CHAR function is not valid.
- C. It gives an error because the data type conversion in the SELECT list does not match the data type conversion in the GROUP BY clause.
- D. It executes successfully and gives the correct output.
Correct Answer: C 🗳️
Which are /SQL*Plus commands? (Choose all that apply.)
- A. DELETE
- B. RENAME
- C. DESCRIBE
- D. SELECT
- E. UPDATE
- F. INSERT
Correct Answer: C 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
You own a table called EMPLOYEES with this table structure:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
HIRE_DATE DATE
What happens when you execute this DELETE statement?
DELETE employees;
- A. The data in the EMPLOYEES table is deleted but not the structure.
- B. You get an error because the statement is not syntactically correct.
- C. The data and structure of the EMPLOYEES table are deleted.
- D. You get an error because of a primary key violation.
Correct Answer: A 🗳️
Explanation: Only visible for TestKingIT members. You can sign-up / login (it's free).
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