Data Base Concept -Test 2

Which of the following contains information about a single ‘entity’ in the database like a person,place,event or thing?

A program that generally has more user friendly interface than a DBMS is called a

The database stores information in

Key to represent relationship between tables is called

A collection of related files is called a

In the relational modes,cardinality is termed as

A computer checks the ____ of username and password for a match before granting access.

An entity set that does not have sufficient attributes to form a primary key,is a

In a relational database , a data structure that organises the information about a single topic into rows and columns is

In ER diagram,relationship type is represented by

To locate a data item for storage is

___ are distinct items that don’t have much meaning to you in a given context.

The particular field of a record  that uniquely identifies each record is called the

___ provides total solutions to reduce data redundancy,inconsistency,dependence and unauthorised access of data

___ is one reason for problems of data integrity.

Which name is suitable for run a macro at starting time of database?

A field is a related group of ____

Oracle is a (n)

____ tags,placed on animal’s body can be used to record and track in a database all of the animals movements.

What is a stored question about information in a database?

Dr.E F Codd represented ____ rules that a database must obey if it has to be considered truly relational

A collection of conceptual tools for describing data,relationships,semantics and constraints is referred to as

A collection of interrelated records is called a

____ is a primary key of one file that also appears in another file.

___ is an invalid type of database key