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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - Transaction management and control - INSERT, UPDATE, DELETE operations |
| Topic 2: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 3: Relational Database Concepts | 5% | - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL |
| Topic 4: Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| Topic 5: Using SET Operators | 5% | - UNION, UNION ALL, INTERSECT, MINUS operators - Using ORDER BY with set operations - Matching SELECT statements |
| Topic 6: Data Dictionary and Time Zones | 5% | - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views - INTERVAL data types |
| Topic 7: Controlling User Access | 5% | - System vs object privileges - Roles creation and privilege assignment - Granting privileges on tables |
| Topic 8: DDL for Tables and Relationships | 15% | - Temporary and external tables - CREATE TABLE statement - Table structure, columns, data types - TRUNCATE TABLE statement - Views management - Constraints management - Drop columns, set unused columns |
| Topic 9: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage indexes - Create and manage sequences |
| Topic 10: Retrieving and Sorting Data | 15% | - Operators, literals, DISTINCT keyword - DEFINE and VERIFY commands - Using SELECT statement and column aliases - Arithmetic expressions and NULL values - Operator precedence rules - Sorting query results - Limiting rows and substitution variables |
| Topic 11: Using Functions | 25% | - Character functions for string manipulation - Nested functions - Group functions and grouping data - Restricting group results - ROUND, TRUNC, MOD functions - Data type conversion: implicit and explicit - Date arithmetic and date functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - NVL, NULLIF, COALESCE functions |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which INTERVAL data type would you use to store a period of time in years and months?
A) INTERVAL MONTH TO DAY
B) INTERVAL YEAR TO MONTH
C) INTERVAL DAY TO SECOND
D) INTERVAL MINUTE TO HOUR
2. What does the following SQL query do?
SELECT *
FROM employees e
JOIN employees m ON e.manager_id = m.employee_id;
A) Lists employees without departments
B) Lists employees and their corresponding managers
C) Lists employees who are managers
D) Lists employees who are not managers
3. Which SQL function converts a string representation of a date into a date data type?
A) CONVERT_TO_DATE
B) TO_DATE
C) DATE_CONVERT
D) CAST_TO_DATE
4. Which data dictionary view provides information about all tables accessible to the current user?
A) USER_TABLES
B) DBA_TABLES
C) ALL_TABLES
D) SESSION_TABLES
5. Which clause is used to ensure that only specific rows are deleted in a DELETE statement?
A) WHERE
B) HAVING
C) SET
D) FROM
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: A |
Max 
Gemma 
Clementine 
Cora 
James 
Chasel 
Jennifer 
Noah 
Ogden 
Newman 
Beau 
Clement 
Newman 
Jacqueline 
Cherry 
Bruce 
Eugene 
Wallis 
