An Entity Type is described by a set of attributes called___________
Extension
Schema
Value set
None of these
The ____________ attributes can be divided into smaller sub-parts to represent some more basic attributes with independent meanings.
Simple
Single valued
Composite
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
_________ is a collection of all entity instances of a particular entity type
Entity set
Entity Instance
Anything in the real world with independent existence is called____________
Attributes
Entities
Value
_________ is a conceptual entity that is meant ot express various accounts, each of which belongs to a paticular category of accounts.
Account Type
Accounts
Vouchers
______ is the special attribute value that indicates an unknown or missing value.
Simple attribute
Null
Composite attribute
____________ involves the technique of collecting, sorting, relating, interpreting and computing data items.
Source documents
Data processing
Input of Data
The values of attributes of an entity belonging to entity type are known as _____
Entity
_________ is an entity, which expresses various support documents that may be attached with a paticualr voucher of a transaction.
Voucher
Support documents