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Oracle Database 23ai SQL Associate Sample Questions:

1. In a relational database, what is a foreign key?

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

2. Which clause can be used with SET operators to sort the final result set?

A) HAVING
B) WHERE
C) ORDER BY
D) GROUP BY

3. Which SQL function can be used to replace NULL values with a specified value?

A) ISNULL
B) NVL
C) COALESCE
D) REPLACE

4. Which SQL keyword is used to remove duplicate rows from the result set of a query?

A) DISTINCTROW
B) UNIQUE
C) DISTINCT
D) ONLY

5. Which command can be used to rename a table in Oracle Database?

A) RENAME TABLE
B) RENAME
C) MODIFY TABLE NAME
D) ALTER TABLE RENAME

Solutions: