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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 Joins	- Use self-joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins
Topic 3: Using DML Statements	- Insert rows into a table - Update rows in a table - Use the MERGE statement - Control transactions - Delete rows from a table
Topic 4: Using DDL Statements	- Create and manage indexes - Create and manage views - Create and manage constraints - Create and manage sequences - Create and manage tables
Topic 5: Using SELECT Statements	- Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows
Topic 6: Using Subqueries	- Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries
Topic 7: Using SQL Functions	- Use conversion functions - Use character, number, and date functions in SELECT statements
Topic 8: Controlling User Access	- Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges

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Oracle Database 23ai SQL Associate Sample Questions (Q38-Q43):

NEW QUESTION # 38
Which function returns the current system date and time in the database session's time zone?

A. CURRENT_TIMESTAMP
B. SYSTEM_TIME
C. SYSDATE
D. LOCAL_TIME

Answer: A

NEW QUESTION # 39
How are NULL values treated in relational databases?

A. NULL values represent missing or unknown data.
B. NULL values are treated as empty strings.
C. NULL values are not allowed in relational databases.
D. NULL values are treated as zero.

Answer: A

NEW QUESTION # 40
In a relational database, what is a foreign key?

A. A unique identifier for a record in a table
B. A key that is used to establish a relationship between two tables
C. A temporary key generated during query execution
D. A key used to sort data in a specific order

Answer: B

NEW QUESTION # 41
Which command creates a new role in Oracle Database?

A. ADD ROLE role_name;
B. CREATE ROLE role_name;
C. CREATE NEW ROLE role_name;

Answer: B

NEW QUESTION # 42
What does the following SQL query do?
SELECT *
FROM employees e
JOIN employees m ON e.manager_id = m.employee_id;

A. Lists employees who are managers
B. Lists employees without departments
C. Lists employees and their corresponding managers
D. Lists employees who are not managers

Answer: C

NEW QUESTION # 43
......

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