The advantage of computerized database over manual database is

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