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Oracle 1Z1-171 Exam : Oracle Database 23ai SQL Associate
- Exam Code: 1Z1-171
- Exam Name: Oracle Database 23ai SQL Associate
- Updated: Oct 05, 2026
- Q & A: 111 Questions and Answers
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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Relational Database Concepts | 5% | - SQL SELECT clauses and ERD components - Relationship between database and SQL - Relational database theoretical and physical aspects |
| Using SET Operators | 5% | - Using ORDER BY with set operations - Matching SELECT statements - UNION, UNION ALL, INTERSECT, MINUS operators |
| Using Functions | 25% | - Character functions for string manipulation - ROUND, TRUNC, MOD functions - NVL, NULLIF, COALESCE functions - Date arithmetic and date functions - Data type conversion: implicit and explicit - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Restricting group results - Group functions and grouping data - Nested functions |
| Managing Tables with DML | 5% | - INSERT, UPDATE, DELETE operations - Multi-table INSERT and MERGE statements - Transaction management and control |
| Retrieving and Sorting Data | 15% | - Sorting query results - Limiting rows and substitution variables - DEFINE and VERIFY commands - Operators, literals, DISTINCT keyword - Arithmetic expressions and NULL values - Using SELECT statement and column aliases - Operator precedence rules |
| Managing Indexes, Synonyms, Sequences | 5% | - Create and manage sequences - Create and manage indexes - Create and manage synonyms |
| DDL for Tables and Relationships | 15% | - Views management - Drop columns, set unused columns - Temporary and external tables - Constraints management - CREATE TABLE statement - TRUNCATE TABLE statement - Table structure, columns, data types |
| Controlling User Access | 5% | - System vs object privileges - Granting privileges on tables - Roles creation and privilege assignment |
| Data Dictionary and Time Zones | 5% | - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views |
| Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
Oracle Database 23ai SQL Associate Sample Questions:
Question #1
The column data type is converted to a primary key.
- A. CREATE INDEX
- B. CREATE ALIAS
- C. CREATE SEQUENCE
- D. CREATE SYNONYM
Correct Answer: D 🗳️
Question #2
What is the primary purpose of granting privileges in Oracle Database?
- A. To increase query performance
- B. To create new tables and indexes
- C. To define the structure of database tables
- D. To control user access to database objects and operations
Correct Answer: D 🗳️
Question #3
Which SQL clause is used to specify the source table in a query?
- A. SELECT
- B. FROM
- C. GROUP BY
- D. WHERE
Correct Answer: B 🗳️
Question #4
What does the NEXTVAL pseudocolumn do in SQL?
- A. Retrieves the current value of a sequence without incrementing it
- B. Resets the sequence to its starting value
- C. Deletes the sequence from the database
- D. Retrieves the next value in a sequence and increments the sequence
Correct Answer: D 🗳️
Question #5
Which data dictionary view provides information about all the columns in tables accessible to the current user?
- A. ALL_TAB_COLUMNS
- B. DBA_TAB_COLUMNS
- C. ALL of the above
- D. USER_COLUMNS
Correct Answer: C 🗳️
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