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Oracle Database 23ai SQL Associate Sample Questions:

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) EQUI JOIN
C) OUTER JOIN
D) NATURAL JOIN

2. What is the default order of evaluation when multiple SET operators are used in a query?

A) UNION, INTERSECT, MINUS
B) INTERSECT, UNION, MINUS
C) UNION, MINUS, INTERSECT
D) INTERSECT, MINUS, UNION

3. Which type of join retrieves only the rows with matching values in both tables?

A) INNER JOIN
B) CROSS JOIN
C) OUTER JOIN
D) NATURAL JOIN

4. What does the following command do?
GRANT CREATE SESSION TO user_name;

A) Allows the user to create new sessions for other users
B) Grants the user the ability to connect to the database
C) Assigns the user to a specific role
D) Allows the user to create database objects

5. The column data type is converted to a primary key.

A) CREATE SYNONYM
B) CREATE INDEX
C) CREATE ALIAS
D) CREATE SEQUENCE

Solutions: