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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Managing Indexes, Synonyms, Sequences	5%	- Create and manage indexes - Create and manage sequences - Create and manage synonyms
Topic 2: Retrieving and Sorting Data	15%	- Sorting query results - Limiting rows and substitution variables - Using SELECT statement and column aliases - Arithmetic expressions and NULL values - Operators, literals, DISTINCT keyword - Operator precedence rules - DEFINE and VERIFY commands
Topic 3: Using Subqueries	5%	- Single-row and multi-row subqueries - Correlated subqueries for update and delete
Topic 4: DDL for Tables and Relationships	15%	- CREATE TABLE statement - Table structure, columns, data types - Drop columns, set unused columns - Views management - TRUNCATE TABLE statement - Temporary and external tables - Constraints management
Topic 5: Using Functions	25%	- Data type conversion: implicit and explicit - NVL, NULLIF, COALESCE functions - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Character functions for string manipulation - Date arithmetic and date functions - Nested functions - ROUND, TRUNC, MOD functions - Restricting group results
Topic 6: Displaying Data from Multiple Tables	10%	- Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join
Topic 7: Managing Tables with DML	5%	- Transaction management and control - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations
Topic 8: Controlling User Access	5%	- Granting privileges on tables - Roles creation and privilege assignment - System vs object privileges
Topic 9: Using SET Operators	5%	- Matching SELECT statements - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators
Topic 10: Data Dictionary and Time Zones	5%	- CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types - Using data dictionary views
Topic 11: Relational Database Concepts	5%	- Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL

Oracle Database 23ai SQL Associate Sample Questions:

1. What does the following SQL statement do?
SELECT e.employee_id, d.department_name
FROM employees e
JOIN departments d ON e.department_id = d.department_id;

A) Retrieves only employees without departments
B) Retrieves only departments with no employees
C) Retrieves all employees and their departments
D) Retrieves employees and departments with matching department_id

2. Which Oracle SQL function returns the current date and time, including time zone information?

A) NOW
B) CURRENT_TIMESTAMP
C) SYSDATE
D) CURRENT_DATE

3. What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;

A) Only the first names of employees
B) A syntax error
C) Concatenated first and last names with spaces in between
D) Concatenated first and last names without spaces

4. Which of the following is an example of an object privilege?

A) DROP DATABASE
B) ALTER USER
C) SELECT ON table_name
D) CREATE TABLE

5. Which SQL statement is used to create a table?

A) INSERT
B) ADD TABLE
C) ALTER TABLE
D) CREATE TABLE

Solutions:

Question # 1
Answer: D

Question # 2
Answer: B

Question # 3
Answer: C

Question # 4
Answer: C

Question # 5
Answer: D