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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: 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 |
| Topic 2: Using DML Statements | - Insert rows into a table - Delete rows from a table - Control transactions - Update rows in a table - Use the MERGE statement |
| Topic 3: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 4: Using Joins | - Use cross joins - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) - Use equijoins and non-equijoins |
| Topic 5: Using Subqueries | - Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries |
| Topic 6: Using DDL Statements | - Create and manage constraints - Create and manage tables - Create and manage sequences - Create and manage indexes - Create and manage views |
| Topic 7: Controlling User Access | - Grant and revoke privileges - Differentiate system privileges from object privileges - Create and manage roles |
| Topic 8: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
Oracle Database 23ai SQL Associate Sample Questions:
Question #1
What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;
A. Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
B. Retrieves all employees with a salary greater than 5000, sorted by department ID in ascending order
C. Retrieves employees with salary less than 5000, sorted by department ID
D. Retrieves all employees, sorted by department ID
Question #2
How can you ensure that data is sorted in descending order in a SQL query?
A. Use the DISTINCT keyword
B. Use the ASC keyword
C. Use the ORDER keyword
D. Use the DESC keyword
Question #3
Which command grants a user the ability to query data from a specific table?
A. ALLOW SELECT ON table_name TO user_name;
B. GRANT SELECT ON table_name TO user_name;
C. ENABLE SELECT ON table_name TO user_name;
D. GRANT ALL ON table_name TO user_name;
Question #4
What is the purpose of the SAVEPOINT statement?
A. To restart a transaction
B. To set a point within a transaction to which a rollback can occur
C. To save changes permanently
D. To delete data temporarily
Question #5
Which of the following ensures that a relational database enforces data integrity?
A. Redundant data storage
B. Hierarchical data organization
C. Indexes on all columns
D. Constraints such as primary keys, foreign keys, and unique constraints
Solutions:
| Question #1 Correct Answer: B | Question #2 Correct Answer: D | Question #3 Correct Answer: B | Question #4 Correct Answer: B | Question #5 Correct Answer: D |
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