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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries | - Use correlated subqueries - Use multiple-row subqueries - Use single-row subqueries |
| Topic 2: Using SELECT Statements | - Use the FETCH clause to limit rows returned - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows - Execute a basic SELECT statement |
| Topic 3: Using Joins | - Use equijoins and non-equijoins - Use self-joins - Use cross joins - Use outer joins (LEFT, RIGHT, FULL) |
| Topic 4: Using DML Statements | - Delete rows from a table - Update rows in a table - Insert rows into a table - Control transactions - Use the MERGE statement |
| Topic 5: Controlling User Access | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges |
| Topic 6: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 7: Using DDL Statements | - Create and manage views - Create and manage tables - Create and manage constraints - Create and manage indexes - Create and manage sequences |
| Topic 8: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which type of privilege allows a user to perform administrative tasks, such as creating other users?
A) System privilege
B) Table privilege
C) Schema privilege
D) Object privilege
2. What does the UNION ALL operation do when selecting matching columns from different tables?
SELECT employee_id, salary FROM employees
UNION ALL
SELECT employee_id, bonus FROM bonuses;
A) Returns only employees with duplicate employee IDs in both tables
B) Returns only the employees with salaries and bonuses
C) Combines the salaries and bonuses for employees, removing duplicates
D) Combines all employee IDs, salaries, and bonuses, including duplicates
3. Which of the following can be achieved using a correlated subquery?
A) Comparing each employee's salary to the average salary of their department
B) Inserting data into a table
C) Joining two tables without a common column
D) Retrieving duplicate records from a single table
4. How is the LOCALTIMESTAMP function different from CURRENT_TIMESTAMP?
A) Both functions are identical in output.
B) LOCALTIMESTAMP does not include fractional seconds, while CURRENT_TIMESTAMP does.
C) LOCALTIMESTAMP omits time zone information, while CURRENT_TIMESTAMP includes it.
D) LOCALTIMESTAMP returns only the date, while CURRENT_TIMESTAMP returns the date and time.
5. The column data type is converted to a primary key.
A) CREATE ALIAS
B) CREATE SEQUENCE
C) CREATE INDEX
D) CREATE SYNONYM
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: D |






