(A) UK
(B) China
(C) USA
(D) UAE
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Biology Quiz 13
A collection of concepts that can be used to describe the structure of a database?
(A) Database
(B) DBMS
(C) Data Model
(D) Data
A __ is used to maintain a connection between the users of the database system.
(A) Mail server
(B) File server
(C) Client server
(D) None of the above
Which model operates at the lowest level of abstraction?
(A) Conceptual
(B) Internal
(C) External
(D) Physical
A relational database is:
(A) One that consists of two or more tables
(B) A database that is able to process tables, queries, forms, reports and macros
(C) One that consists of two or more tables that are joined in some way
(D) The same as a flat file database
Which of the following can not be included into CREATE TABLE statement?
(A) Data types
(B) Constraints
(C) Attributes
(D) Cardinalities
Which of the following is used to retrieve and insert information from database?
(A) DML
(B) DDL
(C) DCL
(D) All of the above