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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Using DDL Statements | - Create and manage constraints - Create and manage views - Create and manage indexes - Create and manage tables - Create and manage sequences |
| Using SELECT Statements | - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Execute a basic SELECT statement |
| Using DML Statements | - Delete rows from a table - Control transactions - Insert rows into a table - Update rows in a table - Use the MERGE statement |
| Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins - Use equijoins and non-equijoins |
| Using Subqueries | - Use single-row subqueries - Use correlated subqueries - Use multiple-row subqueries |
| Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
Oracle Database 23ai SQL Associate Sample Questions:
Which clause is used to ensure that only specific rows are deleted in a DELETE statement?
- A. FROM
- B. WHERE
- C. SET
- D. HAVING
Correct Answer: B 🗳️
What does the following SQL query return?
SELECT employee_id, salary * 12 AS annual_salary FROM employees;
- A. Only employees with salaries greater than 12
- B. Employee IDs and their annual salaries
- C. Monthly salaries of all employees
- D. Salaries multiplied by 12 and stored in a new table
Correct Answer: B 🗳️
Which type of join returns all rows from the left table, even if there are no matches in the right table?
- A. FULL OUTER JOIN
- B. LEFT OUTER JOIN
- C. INNER JOIN
- D. RIGHT OUTER JOIN
Correct Answer: B 🗳️
Which function is used to convert a string to uppercase in SQL?
- A. UPPER
- B. TO_UPPERCASE
- C. CONVERT_UPPER
- D. CASE_UPPER
Correct Answer: A 🗳️
What is the result of using the following SQL query?
SELECT 100 + NULL AS result;
- A. An error
- B. 100
- C. 0
- D. NULL
Correct Answer: D 🗳️
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