Filters
Question type

Study Flashcards

Twitter and Facebook use NoSQL databases.

Correct Answer

verifed

verified

The relational model ________.


A) was first proposed in 1970
B) was developed by E.F.Codd
C) was developed at IBM
D) resulted in the DBMS product DB2
E) All of the above.

Correct Answer

verifed

verified

A database stores:


A) data.
B) relationships.
C) metadata.
D) A and B
E) A,B and C

Correct Answer

verifed

verified

The purpose of a database is to:


A) help people keep track of things.
B) store data in tables.
C) create tables of rows and columns.
D) maintain data on different things in different tables.
E) All of the above.

Correct Answer

verifed

verified

Briefly describe the function of an application program in a database system.

Correct Answer

verifed

verified

The application program is responsible f...

View Answer

In every database,not just the databases discussed in this book,table names are capitalized.

Correct Answer

verifed

verified

The e-commerce companies use Web activity database to determine which items on a Web page are popular and successful.

Correct Answer

verifed

verified

Information systems that stored groups of records in separate files were called file processing systems.

Correct Answer

verifed

verified

Microsoft Access is just a DBMS.

Correct Answer

verifed

verified

Data Language/I (DL/I)structured data relationships as a tree structure.

Correct Answer

verifed

verified

What are "referential integrity constraints"? Give an example.

Correct Answer

verifed

verified

A referential integrity constraint is a ...

View Answer

A database is considered "self-describing" because ________.


A) all the users' data is in one place
B) it reduces data duplication
C) it contains a description of its own structure
D) it contains a listing of all the programs that use it
E) All of the above.

Correct Answer

verifed

verified

In an enterprise-class database system,reports are created by ________.


A) the user
B) the database application
C) the database management system (DBMS)
D) the database
E) All of the above.

Correct Answer

verifed

verified

Applications are computer programs used directly by users.

Correct Answer

verifed

verified

A database consists of integrated tables,which store ________.


A) data
B) relationships among the data
C) forms
D) A and B
E) All of the above.

Correct Answer

verifed

verified

A database is a self-describing collection of non-integrated tables.

Correct Answer

verifed

verified

A program whose job is to create,process and administer databases is called the ________.


A) Database Modeling System
B) Database Management System
C) Data Business Model System
D) Relational Model Manager
E) Data Business Management Service

Correct Answer

verifed

verified

A database system is typically defined as the four components users,database applications,the DBMS and the databases.

Correct Answer

verifed

verified

Briefly describe the function of the DBMS in a database system.

Correct Answer

verifed

verified

The DBMS creates the database and the ta...

View Answer

The relational model was first proposed in 1970 by E.F.Codd at IBM.

Correct Answer

verifed

verified

Showing 41 - 60 of 100

Related Exams

Show Answer