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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Using DDL Statements | - Create and manage indexes - Create and manage constraints - Create and manage sequences - Create and manage views - Create and manage tables |
| Using SELECT Statements | - Execute a basic SELECT statement - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows |
| Using DML Statements | - Insert rows into a table - Delete rows from a table - Use the MERGE statement - Update rows in a table - Control transactions |
| 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 single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
Oracle Database 23ai SQL Associate Sample Questions:
1. 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) A syntax error
C) Concatenated first and last names without spaces
D) Only the first names of employees
2. What is the primary purpose of granting privileges in Oracle Database?
A) To control user access to database objects and operations
B) To define the structure of database tables
C) To create new tables and indexes
D) To increase query performance
3. What does the following SQL query return?
SELECT employee_id, salary * 12 AS annual_salary FROM employees;
A) Monthly salaries of all employees
B) Only employees with salaries greater than 12
C) Employee IDs and their annual salaries
D) Salaries multiplied by 12 and stored in a new table
4. Which data dictionary view lists all indexes created by the current user?
A) INDEX_LIST
B) DBA_INDEXES
C) USER_INDEXES
D) ALL_INDEXES
5. Which SQL function can be used to replace NULL values with a specified value?
A) REPLACE
B) NVL
C) ISNULL
D) COALESCE
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: B |
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