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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Controlling User Access | - Grant and revoke privileges - Differentiate system privileges from object privileges - Create and manage roles |
| Topic 2: Using Subqueries | - Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries |
| Topic 3: Using SELECT Statements | - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows |
| Topic 4: Using DDL Statements | - Create and manage sequences - Create and manage tables - Create and manage indexes - Create and manage views - Create and manage constraints |
| Topic 5: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 6: Using Joins | - Use equijoins and non-equijoins - Use cross joins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins |
| Topic 7: Using DML Statements | - Use the MERGE statement - Update rows in a table - Delete rows from a table - Insert rows into a table - Control transactions |
| Topic 8: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which SQL function calculates the number of months between two dates?
Response:
A) MONTHS_BETWEEN
B) TIME_DIFF
C) DATE_DIFF
D) DATE_CALC
2. What will the following query result in?
SELECT e.employee_id, e.manager_id
FROM employees e
WHERE e.manager_id IS NOT NULL;
A) All employees and their IDs
B) Employees and their managers' IDs
C) Employees who do not have managers
D) Employees who have managers
3. What is the primary purpose of an index in SQL?
A) To enforce data integrity constraints
B) To store metadata about a table
C) To ensure uniqueness of values in a column
D) To improve the performance of data retrieval queries
4. What will the following query return?
SELECT TO_CHAR(SYSDATE, 'DD-MM-YYYY') AS formatted_date FROM dual;
A) The current date in the default system format
B) The time part of the current date
C) The current date in the format 'DD-MM-YYYY'
D) An error
5. Which component of an ERD (Entity-Relationship Diagram) represents the attributes of an entity?
A) Ovals
B) Diamonds
C) Rectangles
D) Arrows
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |
Chad 
Christine 
Rod 
Bruce 
Donald 
Jeremy 
Alice 
Jason 
David 
David 
Erin 
Oswald 
Irma 
Priscilla 
Kim 
Walter 
Linda 
Ron 
Tiffany 
Samantha 
Isabel 
Wade 
Colbert 
Dennis 
