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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 2: Using Subqueries | - Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries |
| Topic 3: Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use equijoins and non-equijoins - Use self-joins - Use cross joins |
| Topic 4: Controlling User Access | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges |
| Topic 5: Using SELECT Statements | - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned |
| Topic 6: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 7: Using DML Statements | - Update rows in a table - Use the MERGE statement - Delete rows from a table - Control transactions - Insert rows into a table |
| Topic 8: Using DDL Statements | - Create and manage sequences - Create and manage constraints - Create and manage views - Create and manage tables - Create and manage indexes |
Oracle Database 23ai SQL Associate Sample Questions:
Question 1
What type of join does the following query perform?
SELECT *
FROM employees e, departments d
WHERE e.department_id = d.department_id;
A. CROSS JOIN
B. OUTER JOIN
C. EQUI JOIN
D. NATURAL JOIN
Question 2
Which command is used to add a new column to an existing table?
A. ADD COLUMN
B. MODIFY COLUMN
C. ALTER TABLE
D. ALTER COLUMN
Question 3
What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;
A. Concatenated first and last names without spaces
B. A syntax error
C. Only the first names of employees
D. Concatenated first and last names with spaces in between
Question 4
Which clause is used to allow a user to grant a privilege to others?
A. WITH SELECT OPTION
B. WITH GRANT OPTION
C. WITH SHARE OPTION
D. WITH ADMIN OPTION
Question 5
What does the INTERSECT operator do in SQL?
A. Returns rows from the first query that are not present in the second query
B. Combines rows from two queries and includes all duplicates
C. Returns rows that are present in both queries
D. Combines all rows from two queries without any conditions
Solutions:
| Question 1 Answer: C | Question 2 Answer: C | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: C |
