CSCI 3700 Midterm Exam Questions 100%
Solved.
Database management system - answerA collection of interrelated data in an environment that
is convenient and efficient to use.
Collections that are highly valuable, relatively large, and accessed by multiple users and
applications, often at the sa...
Physical data independence - answer✔The ability to modify the physical schema without
changing the logical schema.
True - answer✔True or false: Interfaces between various database levels should be well-defined
so that changes in one part do not seriously influence the others.
Data definition language (DDL) - answer✔Specification notation for defining the database
schema.
Data dictionary - answer✔Stores table templates generated by a DDL compiler.
Database schemas, integrity constraints, and authorization. - answer✔Data dictionaries store this
kind of metadata.
Database manipulation language (DML) - answer✔A language for accessing and updating the
data organized by a particular data model.
Procedural - answer✔A type of DML that requires a user to specify what data is needed and how
to get that data.
Declarative - answer✔A type of DML that requires a user to specify what data is needed without
specifying how to get it.
Query language - answer✔The portion of a DML that involves informational retrieval.
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