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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Controlling User Access | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges |
| Using DDL Statements | - Create and manage indexes - Create and manage constraints - Create and manage views - Create and manage sequences - Create and manage tables |
| Using DML Statements | - Insert rows into a table - Update rows in a table - Control transactions - Use the MERGE statement - Delete rows from a table |
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Using SELECT Statements | - Execute a basic SELECT statement - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned |
| Using Joins | - Use equijoins and non-equijoins - Use cross joins - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using Subqueries | - Use correlated subqueries - Use multiple-row subqueries - Use single-row subqueries |
Oracle Database 23ai SQL Associate Sample Questions:
Which SQL statement is used to insert a new row into a table?
- A. SELECT
- B. ALTER
- C. INSERT
- D. UPDATE
Correct Answer: C π³οΈ
What is a SELF JOIN in SQL?
- A. A join that does not require a WHERE clause
- B. A join between tables with identical structures
- C. A join used for Cartesian products
- D. A join of a table with itself
Correct Answer: D π³οΈ
What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;
- A. Only the first names of employees
- B. Concatenated first and last names without spaces
- C. A syntax error
- D. Concatenated first and last names with spaces in between
Correct Answer: D π³οΈ
Which command can be used to rename a table in Oracle Database?
- A. RENAME TABLE
- B. MODIFY TABLE NAME
- C. RENAME
- D. ALTER TABLE RENAME
Correct Answer: C π³οΈ
What does the UNION ALL operation do when selecting matching columns from different tables?
SELECT employee_id, salary FROM employees
UNION ALL
SELECT employee_id, bonus FROM bonuses;
- A. Returns only the employees with salaries and bonuses
- B. Combines the salaries and bonuses for employees, removing duplicates
- C. Combines all employee IDs, salaries, and bonuses, including duplicates
- D. Returns only employees with duplicate employee IDs in both tables
Correct Answer: C π³οΈ
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