Which language is used to request information from a Database?

(a)

Relational

(b)

Structural

(c)

Query

(d)

Compiler

The _____ diagram gives a logical structure of the database graphically?

(a)

Entity-Relationship

(b)

Entity

(c)

Architectural Representation

(d)

Database

An entity set that does not have enough attributes to form primary key is known as

(a)

Strong entity set

(b)

Weak entity set

(c)

Identity set

(d)

Owner set

Which of the following is a not a database? 

(a)

Oracle

(b)

PostgreSQL

(c)

SQLite

(d)

None of these

DBMS provides to ___________ data

(a)

create

(b)

retrieve

(c)

update

(d)

all of the above

Which of the following are the limitations of system

(a)

Data Duplication

(b)

High Maintenance

(c)

Security

(d)

All of the above

___________ is defined as the system's ability to recover all committed transactions during the failure of storage or the system

(a)

Durability

(b)

Consistency

(c)

Concurrency

(d)

All of the above

Which of the following is a commercial relational models in use

(a)

Oracle

(b)

DB2

(c)

Postgre SQL

(d)

Both a and b

A _________ is a "copy" of a primary key

(a)

Candidate Key

(b)

Super Key

(c)

Foreign Key

(d)

Composite Key

A key With more than one attribute to identify rows uniquely in a table is called ___________

(a)

Candidate Key

(b)

Super Key

(c)

Foreign Key

(d)

Composite Key

________ is known a predecessor of database system

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File system

MySQL is a database management system founded by __________

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Monty Widenius

__________ who takes care of configuration, installation, performance, security and data backup.

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Database Administrators

_____________ is a web application written in PHP

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PHPMYADMIN

___________ tool of MySQL is a web application written in PHP

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PHPMYADMIN

Hierarchical Database

(1)

Attribute

Network Database

(2)

Record

Relational Database

(3)

IDS

Column

(4)

Oracle

Row

(5)

IMS