Oracle 1Z0-171 : Oracle Database 23ai SQL Associate

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Oracle 1Z0-171 Exam Syllabus Topics:

Oracle Database 23ai SQL Associate Sample Questions:

Question #1
What will the following query do?
DELETE FROM employees
WHERE department_id = 20;

A. Delete the department_id column in the employees table
B. Raise an error because DELETE cannot use a WHERE clause
C. Delete all rows in the employees table
D. Delete all rows where department_id is 20

Question #2
Which type of join returns all rows from the left table, even if there are no matches in the right table?

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

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

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

Question #4
How are NULL values treated in relational databases?

A. NULL values represent missing or unknown data.
B. NULL values are treated as zero.
C. NULL values are not allowed in relational databases.
D. NULL values are treated as empty strings.

Question #5
Which type of privilege allows a user to perform administrative tasks, such as creating other users?

A. Schema privilege
B. System privilege
C. Table privilege
D. Object privilege

Solutions: