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 is the attribute that is used to add a name/value pair to a microdata item?
A itemscope
B itemref
C itemprop
D itemid
The sumof the pre-tax costs of items A ans item B is Tk. 300. In dhaka, each item would be charged a flat 7% tax. In Rangpur item A is subject to 5% tax and item b is subject to 10% tax. If the tax in Rangpur on the purchase of both items is exactly Tk 3 more than it is in Dhaka, than what is the pre - tax price of item A?
A 120
B 209
C 300
D 320
X sells an item to Y at a profit of 28% on his cost and Y sells the same item to Z at a loss of 25% on his cost. If X thus sold the item to Z a Tk. 2 less than the item to X, then what is the cost of the item to X?
A TK. 200
B TK. 150
C TK. 100
D TK. 50
Which of the following element sets is an item of microdata?
A itemscope
B itemref
C itemtype
D none of the mentioned
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
The goal of microdata is to create a unified way to define the data in a way any web crawler or reader implementation can read it.
A True
B False
The microdata model consists of groups of name-value pairs known as
A Item
B Property
C Value
D URL
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

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