The purpose of extensible attribute is to

The purpose of extensible attribute is to __________

A

make all of the own properties of that object non configurable

B

to configure and bring a writable property

C

“lock down” objects into a known state and prevent outside tampering

D

to include new properties into the object

An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.

A

3, 20

B

20, 4

C

20, 20

D

3, 4

All attribute declarations begin with the keyword ____________ followed by the element name, attribute name, attribute type, and default data information.

A

XML

B

SGML

C

ATTLIST

D

HTML

Every time the attribute A appears, it is matched with the same value of attribute B but not the same value of attribute C. Which of the following is true ?

A

A -> (B, C)

B

A -> B, A ->> C

C

A -> B, C ->> A

D

A ->> B, B -> C

In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key.

A

Candidate

B

Join

C

Functional

D

None of the Mentioned

Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

A

A -> B

B

A -> C

C

A -> (B,C)

D

(B,C) -> A

The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called

A

Simple attribute

B

Composite attribute

C

Multivalued attribute

D

Derived attribute

Match the following two sets, in which Set I indicate the underlying purpose and Set II status the levels of teaching. Set I (underlying purpose) Set II (Levels of teaching) (a) The main objective is to know the subject in depth and developing insight leading to clarity of structures. (i) Autonomous development level (b) The main emphasis is on orderly presentation of thoughts leading to their longer retention (ii) Memory level (c) The basic purpose is to engages students in clear, coherent and critical thinking leading to patterns of thought (iii) Understanding level (d) Purpose is to promote self-feelings leading to a sense of freedom (iv) Reflective level Select the correct answer from the following options.

A

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

B

(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

C

(a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)

D

(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

________ are a way of encoding structured data in an efficient yet extensible format.

A

Thrift

B

Protocol Buffers

C

Avro

D

None of the mentioned

Electronic Business using eXtensible Markup Language standard is maintained by ________ initiative.

A

UN

B

freebXM

C

fbXM

D

all of the mentioned

The purpose of extensible attribute is to

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