Chap#11 Database Design Process Flashcards
Which of the following keys does not hold uniqueness property?
Secondary Key
An entty related to tself in an ERD model refers to:
Recursive Relationship
Database development process involves mapping of conceptual data model:
Implementation Model
In ERD model, the relationship between two entities is represented by a:
Line
n hybrid distribution which kind of fragments are stored at only one site?
Non-critical Fragments
The database system can be divided into ____ broad categories.
4
A relation correspods to the concept of a:
Table
A tuple is the relational term representing a:
Row
The number of tupules is called the:
Cardinality
An attribute corresponds to a:
Column
The degree of a table is the total number of
Attribute
Which of the following is not a broad category of the database system?
Semantic
Which of the following is a broad category of database systems?
Network
Hierarchy system presents the data to the user in the form of a set of:
Tree structure
Which of the following are teh systems which have focused on the latest research about the relational database model?
➡Deduction
➡Expert
➡Semantic
