Related Questions

When mapping a binary many-to-many relationship into a relation which of the following is true?
A One relation is created.
B Two relations are created.
C Three relations are created.
D Four relations are created.
When mapping a ternary relationship with an associative entity into a relation which of the following is true?
A One relation is created.
B Two relations are created.
C Three relations are created.
D Four relations are created.
When mapping a multivalued attribute into a relation which of the following is true?
A One relation is created.
B Two relations are created.
C Three relations are created.
D Four relations are created.
When mapping a regular entity into a relation which of the following is true?
A One relation is created.
B Two relations are created.
C Three relations are created.
D Four relations are created.
Who is one is not unary operation in relational algebra?
A Select
B Project
C Union
D Rename
When mapping a supertype/subtype relationship which of the following is true?
A The supertype primary key is assigned to each subtype.
B The subtype primary key is assigned to each supertype.
C There is no link between the supertype\/subtype entities.
D There is no primary key\/foreign key relationship between a supertype\/subtype.
Which of the following is concerned with the description and mapping of the main features of the universe?
A Cosmography
B Cosmology
C Geomorphology
D None of these
The mapping of which of the following is most difficult ?
A Mountains
B Plateaus and Plains
C Interior of the Earth
D Oceans and their depth
In which one of the following places is the Forest Survey of India (FSI), a national organization engaged in forest cover mapping, forest inventory and training in the field of remote sensing and GIS, located?
A Dehradun
B Itanagar
C Ahmedabad
D Aizawl
Which are the special tags used for image mapping?
A map and area
B map and usemap
C only map
D only usemap

Next steps