A ………………. does not have a distinguishing attribute if its own and mostly are dependent entities, which are part of some another entity.

Related MCQs

• An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
• An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A.This is called as
• There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identifier, name, and salary attributes. This process is called
• A relation is said to be in 3 NF if (i) it is in 2 NF (ii) non-key attributes are independent of one another (iii) key attribute is not dependent on part of a composite key (iv) has no multi-valued dependency
• If an entity set is a lower-level entity set in more than one ISA relationship, then the entity set has
•                            express the number of entities to which another entity can be associated via a relationship set.
• The number of entities to which another entity can be associated via a relationship set is expressed as:
• 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 relation is in                          if an attribute of a composite key is dependent on an attribute of other composite key.
• If an attribute of a composite key is dependent on an attribute of the other composite key, normalization called ................ is needed.