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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: DDL for Tables and Relationships | 15% | - Constraints management - TRUNCATE TABLE statement - Drop columns, set unused columns - Temporary and external tables - CREATE TABLE statement - Views management - Table structure, columns, data types |
| Topic 2: Retrieving and Sorting Data | 15% | - Operator precedence rules - Arithmetic expressions and NULL values - Limiting rows and substitution variables - Operators, literals, DISTINCT keyword - Using SELECT statement and column aliases - Sorting query results - DEFINE and VERIFY commands |
| Topic 3: Data Dictionary and Time Zones | 5% | - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types - Using data dictionary views |
| Topic 4: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage indexes - Create and manage sequences - Create and manage synonyms |
| Topic 5: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 6: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Topic 7: Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| Topic 8: Using Functions | 25% | - NVL, NULLIF, COALESCE functions - Data type conversion: implicit and explicit - ROUND, TRUNC, MOD functions - Character functions for string manipulation - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Restricting group results - Nested functions - Group functions and grouping data - Date arithmetic and date functions |
| Topic 9: Controlling User Access | 5% | - Granting privileges on tables - System vs object privileges - Roles creation and privilege assignment |
| Topic 10: Using SET Operators | 5% | - Using ORDER BY with set operations - Matching SELECT statements - UNION, UNION ALL, INTERSECT, MINUS operators |
| 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 is the primary purpose of granting privileges in Oracle Database?
A) To create new tables and indexes
B) To define the structure of database tables
C) To control user access to database objects and operations
D) To increase query performance
2. Which clause is used to allow a user to grant a privilege to others?
A) WITH ADMIN OPTION
B) WITH SHARE OPTION
C) WITH GRANT OPTION
D) WITH SELECT OPTION
3. What does the following query return?
SELECT department_id FROM departments
INTERSECT
SELECT department_id FROM employees;
A) Department IDs that exist in both the departments and employees tables
B) All department IDs from the employees table
C) Department IDs that exist only in the employees table
D) All department IDs from the departments table
4. What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;
A) NULL
B) 300
C) 200
D) 100
5. What will the following query do?
DELETE FROM employees
WHERE department_id = 20;
A) Delete all rows in the employees table
B) Delete all rows where department_id is 20
C) Raise an error because DELETE cannot use a WHERE clause
D) Delete the department_id column in the employees table
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B |




