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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
| Topic 1: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators
|
| Topic 2: Using DDL Statements | - Create and manage indexes
- Create and manage views
- Create and manage sequences
- Create and manage constraints
- Create and manage tables
|
| Topic 3: Using SELECT Statements | - Use the FETCH clause to limit rows returned
- Use the WHERE clause to restrict rows
- Execute a basic SELECT statement
- Use the ORDER BY clause to sort rows
|
| Topic 4: Controlling User Access | - Grant and revoke privileges
- Differentiate system privileges from object privileges
- Create and manage roles
|
| Topic 5: Using Subqueries | - Use correlated subqueries
- Use single-row subqueries
- Use multiple-row subqueries
|
| Topic 6: Using SQL Functions | - Use character, number, and date functions in SELECT statements
- Use conversion functions
|
| Topic 7: Using DML Statements | - Delete rows from a table
- Control transactions
- Use the MERGE statement
- Insert rows into a table
- Update rows in a table
|
| Topic 8: Using Joins | - Use self-joins
- Use cross joins
- Use equijoins and non-equijoins
- Use outer joins (LEFT, RIGHT, FULL)
|
Oracle Database 23ai SQL Associate Sample Questions:
What type of join does the following query perform?
SELECT *
FROM employees e, departments d
WHERE e.department_id = d.department_id;
- A. NATURAL JOIN
- B. CROSS JOIN
- C. EQUI JOIN
- D. OUTER JOIN
Reveal Solution
Discussion
Which clause is used to ensure that only specific rows are deleted in a DELETE statement?
- A. SET
- B. WHERE
- C. FROM
- D. HAVING
Reveal Solution
Discussion
What will the following query result in?
SELECT e.employee_id, e.manager_id
FROM employees e
WHERE e.manager_id IS NOT NULL;
- A. Employees who do not have managers
- B. All employees and their IDs
- C. Employees who have managers
- D. Employees and their managers' IDs
Reveal Solution
Discussion
What is required for the queries combined by a SET operator to work correctly?
- A. The result sets must have the same number of columns and compatible data types.
- B. Both queries must include the WHERE clause.
- C. The tables must be joined using a primary key.
- D. Both queries must use the GROUP BY clause.
Reveal Solution
Discussion
What is the primary purpose of granting privileges in Oracle Database?
- A. To control user access to database objects and operations
- B. To increase query performance
- C. To define the structure of database tables
- D. To create new tables and indexes
Reveal Solution
Discussion