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The _____ category includes storage media that can be operated on directly by the computers central processing unit.

A. Primary storage

B. Secondary Storage

C. All

D. Tertiary Storage

Correct Answer :

A. Primary storage


Related Questions

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Which of the following is not a property of transactions?

A. Atomicity

B. Concurrency

C. Isolation

D. Durability

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The set of all values that can be taken by the attribute is called as _______ of the attribute.

A. Tuple

B. Cardinality

C. Degree

D. Domain

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The data in the database at a particular moment of time is called the _______

A. Snapshot

B. Dynaset

C. Stateless

D. Stateful

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_____ database is used to provide statistical information or summaries of values based on various criteria.

A. Statistical

B. Mathematical

C. Normalized

D. Un normalized

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The values of the attribute describes a particular

A. Entity set

B. File

C. Entity instance

D. Organization

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Which of the following is a reason to model data?

A. Understand each user's perspective of data

B. Understand the data itself irrespective of the physical representation

C. Understand the use of data across application areas

D. All of the above

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The ______ indexes are forced to store only record IDs in the data structure and require at least one additional I/O Operation to retrieve the actual record.

A. Clustered

B. Hashed

C. Un-clustered

D. Collision

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Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.

A. Functional dependency

B. Multi-valued dependency

C. Transitive dependency

D. Partial dependency

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In a relational schema, each tuple is divided into fields called

A. Relations

B. Queries

C. Domains

D. All of the above

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DROP is a statement in SQL.

A. Query

B. Embedded SQL

C. DDL

D. DCL

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The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in tables that already exist.

A. Data Manipulation

B. Data Definition

C. Data Control

D. None

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In an E-R diagram double lines indicate

A. Total participation.

B. Multiple participation.

C. Cardinality N.

D. None of the above.

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Grant and revoke are _____ statements.

A. TCL

B. DCL

C. DDL

D. DML

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Data items grouped together for storage purposes are called a

A. record

B. string

C. title

D. list

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The clause in SQL that specifies that the query result should be sorted in ascending or descending order based on the values of one or more columns is

A. View

B. Order by

C. Group by

D. Having

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Dependency preservation is not guaranteed in

A. BCNF

B. 3NF

C. PJNF

D. DKNF

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Change Staff table by removing default of Assistant for position column

A. ALTER TABLE Staff ALTER position DROP DEFAULT;

B. ALTER TABLE Staff ALTER position DEFAULT;

C. ALTER TABLE Staff ALTER DROP DEFAULT;

D. MODIFY Staff ALTER position DROP DEFAULT;

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The metadata is created by the

A. DML compiler

B. DML pre-processor

C. DDL interpreter

D. Query interpreter

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A list consists of last names, first names, addresses and pin codes. If all people in the list have the same last name and same pin code a useful key would be

A. the pin code

B. the last name

C. the compound key first name and last name

D. Tr from next page

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Precedence graphs help to find a

A. Serializable schedule.

B. Recoverable schedule.

C. Deadlock free schedule.

D. Cascadeless schedule.

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Union operator is a :

A. Unary Operator

B. Ternary Operator

C. Binary Operator

D. Not an operator

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Relational Algebra does not have

A. Selection operator.

B. Projection operator.

C. Aggregation operators.

D. Division operator.

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Relations produced from an E-R model will always be

A. First normal form.

B. Second normal form.

C. Third normal form.

D. Fourth normal form.

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Which of the following is not comparison operator?

A. <>

B. <

C. =<

D. >=

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Tree structures are used to store data in

A. Network model.

B. Relational model.

C. Hierarchical model.

D. File based system.

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Which of the following is true for network structure?

A. It is a physical representation of the data.

B. It allows many to many relationship.

C. It is conceptually simple.

D. It will be the dominant database of the future.

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When an E-R diagram is mapped to tables, the representation is redundant for

A. weak entity sets

B. weak relationship sets

C. strong entity sets

D. strong relationship sets

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_____is a full form of SQL.

A. Standard query language

B. Sequential query language

C. Structured query language

D. Server side query language

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The graphical representation of a query is .

A. B-Tree

B. graph

C. Query Tree

D. directed graph

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_____ command can be used to modify a column in a table

A. alter

B. update

C. set

D. create