With respect to database systems, which of the following statement$($s$)$ is $($are$)$ true?

The DDL and DML should be restricted to authorized administrators and programmers; the DQL is available to users.

A report writer is a high$-$level, English$-$like language with powerful, easy$-$to$-$use commands to help sort, order, and update data.

DBMS software links the way data are physically stored with each user$$s logical view of the data.

A subschema can prevent access to those portions of the database that do not apply to it$.$

An individual user$$s view of portions of a database is referred to as an internal$-$level schema.