Oracle 1z0-071 : Oracle Database SQL
- Exam Code: 1z0-071
- Exam Name: Oracle Database SQL
- Updated: Oct 14, 2026
- Q & A: 437 Questions and Answers
About Oracle 1z0-071 Exam
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Oracle 1Z0-071 Certification Exam Reference
Candidate of 1Z0-071 Certification exam may have the following strengths
If the candidate is employable in the IT sector, then they have a good chance of qualifying for this exam. The candidate can access a variety of study materials to help them gain an understanding of the topics they need to learn. Oracle 1Z0-071 Dumps are also available. You can also get help from these exam dumps in the form of practice exams. The exam material that is provided by Oracle (a test engine site) provides a wide range of topics that will be covered on the exam. Candidates do not need any prerequisites for this certification; it is open to almost anyone who would like to take it. The candidate has spent time studying various technologies and trends that are essentials in their industry, which can also help them prepare for this exam.
Oracle 1z0-071 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| SQL Retrieval | - Joins and set operations
|
| Subqueries and Advanced SQL | - Correlated subqueries and nested queries - Single-row and multi-row subqueries |
| SQL Functions | - Single-row functions
|
| Data Manipulation and Schema Objects | - DML operations
|
| Relational Database Concepts | - Data types and database objects overview - Tables, rows, columns, and relational model basics |
Oracle Database SQL Sample Questions:
Which task can be performed by using a single Data Manipulation Language (OML) statement?
- A. adding a column with a default value when inserting a row into a table
- B. removing all data only from one single column on which a unique constraint is defined
- C. removing all data only from one single column on which a primary key constraint is defined
- D. adding a column constraint when inserting a row into a table
Correct Answer: B 🗳️
Evaluate the following query
What is the correct output of the above query?
- A. +25-00, +00-650, +00 11:12:10.123457
- B. +25-00, +54-02, +00 11:12:10.123457
- C. +00-300, +00-650, +00 11:12:10.123457
- D. +00-300, +54-02, +00 11:12:10.123457
Correct Answer: B 🗳️
Which three statements are true about the ALTER TABLE ----DROP COLUMN .....command?
- A. A parent key column in the table cannot be dropped.
- B. The column in a composite PRIMARY KEY with the CASCADE option can be dropped.
- C. A column can be dropped only if it does not contain any data.
- D. A column can be dropped only if another column exists in the table.
- E. A dropped column can be rolled back.
Correct Answer: A,B,D 🗳️
Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
------------------------
Renske Ladwig
Jason Mallin
Samuel McCain
Allan MCEwen
Irene Mikkilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or "MC." Which query gives the required output?
- A. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1) FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1))='Mc'; - B. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1) FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1)) LIKE 'Mc%'; - C. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1) FROM customers
WHERE SUBSTR(cust_name, INSTR(cust_name,' ')+1) LIKE INITCAP('MC%'); - D. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1) FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1)) = INITCAP('MC%');
Correct Answer: B 🗳️
You need to produce a report where each customer's credit limit has been incremented by $1000.
In the output, the customer's last name should have the heading Name and the incremented credit limit should be labeled New Credit Limit. The column headings should have only the first letter of each word in uppercase.
Which statement would accomplish this requirement?
- A. SELECT INITCAP (cust_last_name) "Name", cust_credit_limit + 1000 INITCAP ("NEW CREDIT LIMIT") FROM customers;
- B. SELECT cust_last_name AS "Name", cust_credit_limit + 1000 AS "New Credit Limit" FROM customers;
- C. SELECT cust_last_name AS Name, cust_credit_limit + 1000 "New Credit Limit" FROM customers;
- D. SELECT cust_last_name AS Name, cust_credit_limit + 1000 AS New Credit Limit FROM customers;
Correct Answer: B 🗳️
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