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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

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

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

2. What does the following SQL statement do?
ALTER TABLE employees DROP COLUMN salary;

A) Removes duplicate rows from the employees table
B) Drops the salary column from the employees table
C) Deletes the employees table
D) Sets the salary column to NULL for all rows

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

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

4. What is a subquery in SQL?

A) A query inside another query
B) A query used for joining two or more tables
C) A query used to create a table
D) A query that combines data from multiple tables

5. Which data dictionary view lists all indexes created by the current user?

A) USER_INDEXES
B) DBA_INDEXES
C) ALL_INDEXES
D) INDEX_LIST

Solutions: