An Entity Type is described by a set of attributes called
Extension
Schema
Value set
None of these
The values of attributes of an entity belonging to entity type are known as _____
Entity
Entity Instance
____________ involves the technique of collecting, sorting, relating, interpreting and computing data items.
Source documents
Data processing
Input of Data
The ____________ attributes can be divided into smaller sub-parts to represent some more basic attributes with independent meanings.
Simple
Single valued
Composite
______ is the special attribute value that indicates an unknown or missing value.
Simple attribute
Null
Composite attribute
_________ refers to data that have been processed and organised in a form, which is suitable for decision-making.
Information
Database
Data
The major elements of _________ are entities, attributes, identifiers and relationships that are used to express a reality for which a database is to be designed.
Entity Relationship Model
Relationship
Attribute
A ________ is a shared collection of interrelated data tables, files or structures, which are designed to meet the varied informational needs of an organisation.
Date
_________ is a conceptual entity that is meant to express various accounts, each of which belongs to a particular category of accounts.
Account Type
Accounts
Vouchers
__________ is a process of refining a database design through which the possibility of duplicate or redundant data items is reduced or eliminated.
Refinement
Normalisation
ER design
