Related Questions

An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
A True
B False
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
A Weak entity
B Strong entity
C ID-dependent entity
D ID-independent entity
Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
A Weak entity
B Strong entity
C ID-dependent entity
D ID- independent entity
Point out which part is grammatically incorrect. 'Good people will make good laws ' 'but good' 'laws passed by a few' 'does not necessarily make' 'a good society' 'No error'
A good people will make good laws
B laws passed by a few
C do not necessarily make
D a good society
In recent survey of the student of a public university . It is found that 65% students are good in Mathematics and 45% students are good in Mathematics and 45% students are good in Statistics. How many students are good in both Mathematics and statistics of the public university?
A 20%
B 5%
C 15%
D 10%
Which one of following is not a valid identifier?
A --mysum
B mysun
C my-sun
D -my-sun
Which one of the following is not a valid identifier?
A -mysun
B mysun
C my-sun
D my-sun
Which of the following is the attribute that is used to set a global identifier for a microdata item?
A key
B id
C itemclass
D itemid
Which attribute specifies a unique alphanumeric identifier to be associated with an element?
A type
B article
C id
D class
Which identifier is used to represent a web browser window or frame?
A frames
B window
C location
D frame

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