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Oracle Database 23ai SQL Associate Sample Questions:

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

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

2. Which clause in a SQL SELECT statement is used to define the columns to be retrieved?

A) SELECT
B) FROM
C) WHERE
D) GROUP BY

3. Which data dictionary view provides information about all tables accessible to the current user?

A) DBA_TABLES
B) ALL_TABLES
C) SESSION_TABLES
D) USER_TABLES

4. What is a role in Oracle Database?

A) A user-defined function
B) A database object used to enforce constraints
C) A set of privileges that can be granted to users or other roles
D) A predefined SQL statement stored in the database

5. Which INTERVAL data type would you use to store a period of time in years and months?

A) INTERVAL DAY TO SECOND
B) INTERVAL YEAR TO MONTH
C) INTERVAL MINUTE TO HOUR
D) INTERVAL MONTH TO DAY

Solutions: