Superclasses and subclasses are shown as ______ in EER diagrams. ??

In the relational model, relationships between relations or tables are created by using ??

Each entity can be described by set of attribute ( )

E-R Model is used to represent the ??

E-R is a semantic logical model (. )

Can map an E-R diagram into a relational schema (. )

Functional Dependencies are the types of constraints that are based on ??

SQL comprises of language ??

In the normalized form relations, values saved are ??

Is an associated among several attributes ??

That allows us to store information without unnecessary redundancy??

Drived attributes are stored in database table??

Which of the following gives a logical structure of the database graphically ??

The entity relationship set is represented in E-R diagram as ??

The rectangles divided into two parts represents ??

collection
of information stored in the database at a particular moment is ??

logical schema describes the database design at the physical level.(. )

The physical schema is hidden beneath the logical schema ??

Is widely used to
represent semistructured data.??

also know as query language ??