Please solve it.
Thanks
Question No: 14 ( Marks: 1 ) - Please choose one
Identify the correct statement.
► Referential integrity constraints check whether the primary
key values are unique.
► Referential integrity constraints check whether an attribute
value lies in the given range.
► Referential integrity constraints are specified between
entities having recursive relationships.
► When Referential integrity rules are enforced, a tuple in one
relation that refers to another
relation must refer to an existing tuple.
Question No: 15 ( Marks: 1 ) - Please choose one
Select the correct statement among the following on proper naming of
schema constructs:
► Entity type name applies to all the entities belonging to
that entity type and therefore a plural name is selected for entity
type.
► In the narrative description of the database requirements,
verbs tend to indicate the names of
relationship types.
► The nouns arising from a database requirement description can
be considered as names of attributes.
► Additional nouns which are appearing in the narrative
description of the database
requirements represent the weak entity type names.
Question No: 16 ( Marks: 1 ) - Please choose one
Consider the following diagram depicting a kind of a relationship
type where X and Z are entities and Y is a relationship type:
Select the correct statement among the following on the above diagram.
► The relationship type Y is of cardinality ratio 1 : N.
► The diagram depicts existence dependencies.
► The participation of X in the Y relationship type is total.
► The participation of Z in the Y relationship type is partial.
Question No: 17 ( Marks: 1 ) - Please choose one
Identify the correct statement about ANSI/SPARC architecture.
► The external level is not concerned with individual user perceptions
► The internal level, in a database system, will always be relational
► Any given database has exactly one conceptual schema and one
physical schema, but it may have several external schemas.
► A data definition language is used to define the internal schema.
Question No: 18 ( Marks: 1 ) - Please choose one
Which of the following SQL commands deletes a record of an employee
with the employee_id 12345, from a table named PERSON.
► DELETE FROM person WHERE employee_id = 12345
► DELETE WHERE person FROM employee_id = 12345
► DROP FROM person WHERE employee_id = 12345
► DELETE WHERE person WHERE employee_id = 12345
Question No: 19 ( Marks: 1 ) - Please choose one
Which of the following is NOT a feature of a good interface?
► consistency
► process based
► data structure based
► user friendly
On 7/21/11, mc090405242 Ateeqa Jalal <mc090405242@vu.edu.pk> wrote:
> saher plz share cs302 ppr latest
>
> On Thu, Jul 21, 2011 at 11:05 AM, Saher Batool <mc100404894@vu.edu.pk>wrote:
>
>> Friends Aj mera 4.30 par CS302 ka papers hey Please send me solved correct
>> MCQs File Please
>> I have many unsolved papers but I need accurate mega file please if some
>> one have them please send me urgent
>>
>> --
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We say, "Be one as Pakistani Nation and grow up for Pakistan's Future". Wish you all the best. Join www.vuaskari.com,
To post to this group, send email to vuaskari_com@googlegroups.com
Visit these groups:
This (Main) Group:http://groups.google.com/group/vuaskari_com?hl=en?hl=en
MIT/MCS Group: http://groups.google.com/group/vu_askarimit?hl=en?hl=en
HRM Group: http://groups.google.com/group/askari_hrm?hl=en?hl=en
Banking Group: http://groups.google.com/group/askari_banking?hl=en?hl=en
Management: https://groups.google.com/group/vuaskari_mgt?hl=en
Marketing: https://groups.google.com/group/vuaskari_mkt?hl=en
MIS Group: http://groups.google.com/group/askari_mis?hl=en
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