The options like Save, Open Database, Print are available in

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