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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using SELECT Statements | - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows |
| Using Joins | - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using DDL Statements | - Create and manage tables - Create and manage sequences - Create and manage indexes - Create and manage constraints - Create and manage views |
| Controlling User Access | - Differentiate system privileges from object privileges - Create and manage roles - Grant and revoke privileges |
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Using Subqueries | - Use correlated subqueries - Use single-row subqueries - Use multiple-row subqueries |
| Using DML Statements | - Delete rows from a table - Control transactions - Insert rows into a table - Use the MERGE statement - Update rows in a table |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which SQL keyword is used to define a substitution variable in a SQL statement?
A) SUBSTITUTION
B) DEFINE
C) VAR
D) SET
2. Which of the following is an example of an object privilege?
A) ALTER USER
B) SELECT ON table_name
C) DROP DATABASE
D) CREATE TABLE
3. 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 and their managers' IDs
B) Employees who do not have managers
C) All employees and their IDs
D) Employees who have managers
4. What happens when a unique index is created on a table column?
A) The column cannot contain duplicate values.
B) The column can only contain NULL values.
C) The column values are automatically encrypted.
D) The column data type is converted to a primary key.
5. Which Oracle SQL function returns the current date and time, including time zone information?
A) CURRENT_DATE
B) CURRENT_TIMESTAMP
C) SYSDATE
D) NOW
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: B |
