True Or False

Question 1 :

The relational database model was created by E.F. Codd.


A). True
B). False
Answer : Option A

Explanation :

The relational model for database management is a database model based on first-order predicate logic, first formulated and proposed in 1969 by E.F. Codd.


Question 2 :

A database is called "self-describing" because it contains a description of itself.


A). True
B). False
Answer : Option A

Question 3 :

In a database, data is stored in spreadsheets which have rows and columns.


A). True
B). False
Answer : Option B

Question 4 :

A database has data and relationships.


A). True
B). False
Answer : Option A

Question 5 :

One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete.


A). True
B). False
Answer : Option B

Question 6 :

In an enterprise-class database system, business users interact directly with database applications, which directly access the database data.


A). True
B). False
Answer : Option B

Question 7 :

Applications are programs that interact directly with the database.


A). True
B). False
Answer : Option B

Question 8 :

The purpose of a database is to help people stop using spreadsheets.


A). True
B). False
Answer : Option B

Question 9 :

Microsoft Access is an enterprise-class database product.


A). True
B). False
Answer : Option B

Question 10 :

Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.


A). True
B). False
Answer : Option A

Question 11 :

The XML family of standards is very important in database processing today.


A). True
B). False
Answer : Option A

Question 12 :

A database has a built-in capability to create, process and administer itself.


A). True
B). False
Answer : Option B

Question 13 :

Enterprise Resource Planning (ERP) is an example of a single user database.


A). True
B). False
Answer : Option B

Question 14 :

Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape.


A). True
B). False
Answer : Option A

Question 15 :

A database design may be based on existing data.


A). True
B). False
Answer : Option A

Question 16 :

The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle.


A). True
B). False
Answer : Option B

Question 17 :

Database applications are seldom intended for use by a single user.


A). True
B). False
Answer : Option B

Question 18 :

The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server.


A). True
B). False
Answer : Option B

Question 19 :

In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.


A). True
B). False
Answer : Option A