Oracle 1Z1-171 - Oracle Database 23ai SQL Associate

Oracle 1Z1-171 Actual PDF
  • Exam Code: 1Z1-171
  • Exam Name: Oracle Database 23ai SQL Associate
  • Updated: Oct 04, 2026
  • Q & A: 111 Questions and Answers
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Oracle 1Z1-171 Exam Syllabus Topics:

SectionObjectives
Using Set Operators- Use UNION, UNION ALL, INTERSECT, and MINUS operators
Using DML Statements- Update rows in a table
- Control transactions
- Insert rows into a table
- Use the MERGE statement
- Delete rows from a table
Using Subqueries- Use multiple-row subqueries
- Use single-row subqueries
- Use correlated subqueries
Using Joins- Use equijoins and non-equijoins
- Use self-joins
- Use outer joins (LEFT, RIGHT, FULL)
- Use cross joins
Using DDL Statements- Create and manage constraints
- Create and manage tables
- Create and manage views
- Create and manage sequences
- Create and manage indexes
Controlling User Access- Create and manage roles
- Differentiate system privileges from object privileges
- Grant and revoke privileges
Using SQL Functions- Use conversion functions
- Use character, number, and date functions in SELECT statements
Using SELECT Statements- Use the FETCH clause to limit rows returned
- Execute a basic SELECT statement
- Use the WHERE clause to restrict rows
- Use the ORDER BY clause to sort rows

Oracle Database 23ai SQL Associate Sample Questions:

Question #1

Which clause in a SQL SELECT statement is used to define the columns to be retrieved?

  • A. SELECT
  • B. WHERE
  • C. FROM
  • D. GROUP BY
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

What is the difference between UNION and UNION ALL?

  • A. UNION works with subqueries, while UNION ALL does not.
  • B. UNION combines columns, while UNION ALL combines rows.
  • C. UNION includes all rows, while UNION ALL removes duplicates.
  • D. UNION removes duplicates, while UNION ALL includes all rows, including duplicates.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

Which SQL function can be used to replace NULL values with a specified value?

  • A. NVL
  • B. ISNULL
  • C. COALESCE
  • D. REPLACE
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

What is the result of using the following SQL query?
SELECT 100 + NULL AS result;

  • A. NULL
  • B. An error
  • C. 0
  • D. 100
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

Which INTERVAL data type would you use to store a period of time in years and months?

  • A. INTERVAL MINUTE TO HOUR
  • B. INTERVAL YEAR TO MONTH
  • C. INTERVAL DAY TO SECOND
  • D. INTERVAL MONTH TO DAY
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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