The data manipulation language

A$.$ contains powerful, easy$-$to$-$use commands that can retrieve, sort,

order, and display data.

B$.$ simplifies report creation and shows items stored in a file,

including the order and length of data fields.

C$.$ changes database content, including updates, insertions, and

deletions.

D$.$ builds the data dictionary, creates the database, describes logical

views, and specifies security constraints.