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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using DDL Statements | - Create and manage constraints - Create and manage sequences - Create and manage indexes - Create and manage tables - Create and manage views |
| Topic 2: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 3: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 4: Using Joins | - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins |
| Topic 5: Using DML Statements | - Insert rows into a table - Control transactions - Update rows in a table - Use the MERGE statement - Delete rows from a table |
| Topic 6: Using SELECT Statements | - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned |
| Topic 7: Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Topic 8: Using Subqueries | - Use single-row subqueries - Use correlated subqueries - Use multiple-row subqueries |
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 employees and departments with matching department_id
B) Retrieves only departments with no employees
C) Retrieves all employees and their departments
D) Retrieves only employees without departments
2. What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;
A) Concatenated first and last names with spaces in between
B) Only the first names of employees
C) A syntax error
D) Concatenated first and last names without spaces
3. Which SQL statement is used to create a table?
A) CREATE TABLE
B) ALTER TABLE
C) INSERT
D) ADD TABLE
4. Which SQL clause is used to specify the source table in a query?
A) WHERE
B) GROUP BY
C) SELECT
D) FROM
5. Which INTERVAL data type would you use to store a period of time in years and months?
A) INTERVAL MONTH TO DAY
B) INTERVAL DAY TO SECOND
C) INTERVAL YEAR TO MONTH
D) INTERVAL MINUTE TO HOUR
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: C |
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