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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

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

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

2. Which type of subquery returns exactly one value?

A) Inline view
B) Correlated subquery
C) Scalar subquery
D) Multiple-row subquery

3. What will the following query return?
SELECT TO_CHAR(SYSDATE, 'DD-MM-YYYY') AS formatted_date FROM dual;

A) The current date in the default system format
B) The time part of the current date
C) The current date in the format 'DD-MM-YYYY'
D) An error

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

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

5. Which of the following data dictionary views provides information about constraints on tables?

A) USER_CONSTRAINTS
B) ALL_CONSTRAINTS
C) DBA_CONSTRAINTS
D) All of the above

Solutions: