For which kind of relationship you need a junction table to reflect real world situation?

A. MySQL

B. MongoDB

C. PostgreSQL

D. Oracle

A. Deletes all rows from a table without logging individual row deletions

B. Deletes only duplicate records

C. Removes table structure

D. Backs up the table

A. GROUP BY

B. ORDER BY

C. HAVING

D. WHERE

A. ORDER BY

B. GROUP BY

C. HAVING

D. FILTER

A. DISTINCT

B. UNIQUE

C. REMOVE

D. EXCLUDE