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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using DDL Statements | - Create and manage sequences - Create and manage views - Create and manage indexes - Create and manage tables - Create and manage constraints |
| Topic 2: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 3: Using DML Statements | - Delete rows from a table - Use the MERGE statement - Insert rows into a table - Update rows in a table - Control transactions |
| Topic 4: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 5: Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Topic 6: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Topic 7: Using SELECT Statements | - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned - Execute a basic SELECT statement - Use the WHERE clause to restrict rows |
| Topic 8: Using Joins | - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins |
Oracle Database 23ai SQL Associate Sample Questions:
What happens if a privilege is revoked from a user who has granted the same privilege to others?
- A. The privilege is transferred to another user.
- B. The privilege is revoked from all other users.
- C. The privilege is retained by the other users.
- D. The privilege cannot be revoked in this scenario.
Correct Answer: B π³οΈ
Which of the following SQL commands retrieves data from a relational database?
- A. SELECT
- B. UPDATE
- C. DELETE
- D. INSERT
Correct Answer: A π³οΈ
What does the following SQL statement do?
ALTER TABLE employees DROP COLUMN salary;
- A. Drops the salary column from the employees table
- B. Removes duplicate rows from the employees table
- C. Deletes the employees table
- D. Sets the salary column to NULL for all rows
Correct Answer: A π³οΈ
What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;
- A. Increase the salary of all employees by 10%
- B. Decrease the salary of employees in department 10 by 10%
- C. Increase the salary of employees in department 10 by 10%
- D. Set the salary to 1.1 for employees in department 10
Correct Answer: C π³οΈ
What does the following SQL statement do?
CREATE TABLE employees (
employee_id NUMBER PRIMARY KEY,
first_name VARCHAR2(50),
hire_date DATE NOT NULL
);
- A. Creates a table with no constraints
- B. Creates a table with only VARCHAR2 and DATE columns
- C. Creates a table with a primary key and a NOT NULL constraint
- D. Creates a temporary table
Correct Answer: C π³οΈ
