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Oracle Database 23ai SQL Associate Sample Questions:

1. Which type of privilege allows a user to perform administrative tasks, such as creating other users?

A) Object privilege
B) System privilege
C) Schema privilege
D) Table privilege

2. What is a SELF JOIN in SQL?

A) A join of a table with itself
B) A join used for Cartesian products
C) A join between tables with identical structures
D) A join that does not require a WHERE clause

3. Which clause is used to ensure that only specific rows are deleted in a DELETE statement?

A) FROM
B) HAVING
C) WHERE
D) SET

4. What does the following SQL statement do?
CREATE TABLE employees (
employee_id NUMBER PRIMARY KEY,
first_name VARCHAR2(50),
hire_date DATE NOT NULL
);

A) Creates a temporary table
B) Creates a table with only VARCHAR2 and DATE columns
C) Creates a table with no constraints
D) Creates a table with a primary key and a NOT NULL constraint

5. Which SQL keyword is used to define a substitution variable in a SQL statement?

A) SUBSTITUTION
B) SET
C) VAR
D) DEFINE

Solutions: