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Oracle 1Z1-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

Question 1

Which SET operator returns rows from the first query that are not present in the second query?

A. INTERSECT
B. MINUS
C. UNION
D. UNION ALL

Question 2

How is the LOCALTIMESTAMP function different from CURRENT_TIMESTAMP?

A. Both functions are identical in output.
B. LOCALTIMESTAMP omits time zone information, while CURRENT_TIMESTAMP includes it.
C. LOCALTIMESTAMP returns only the date, while CURRENT_TIMESTAMP returns the date and time.
D. LOCALTIMESTAMP does not include fractional seconds, while CURRENT_TIMESTAMP does.

Question 3

Which SQL keyword is used to define a substitution variable in a SQL statement?

A. SET
B. DEFINE
C. VAR
D. SUBSTITUTION

Question 4

What does a Cartesian product in SQL result from?

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

Question 5

What does the INTERSECT operator do in SQL?

A. Combines all rows from two queries without any conditions
B. Returns rows that are present in both queries
C. Returns rows from the first query that are not present in the second query
D. Combines rows from two queries and includes all duplicates

Solutions: