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Oracle Database 23ai SQL Associate Sample Questions:

1. Which SQL function calculates the number of months between two dates?
Response:

A) DATE_CALC
B) DATE_DIFF
C) TIME_DIFF
D) MONTHS_BETWEEN

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

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

3. Which command creates a new role in Oracle Database?

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

4. Which type of join returns all rows from the left table, even if there are no matches in the right table?

A) RIGHT OUTER JOIN
B) FULL OUTER JOIN
C) LEFT OUTER JOIN
D) INNER JOIN

5. What does a Cartesian product in SQL result from?

A) A NATURAL JOIN without specifying join conditions
B) An INNER JOIN without specifying join conditions
C) An OUTER JOIN with NULL values

Solutions: