eventcategory Columns

ColumnName	Domain	Datatype	NULL	Definition
catid		NUMBER	NO	Category identifier
category		VARCHAR2(25)	NO	Name associated with an event category
description		VARCHAR2(80)	YES	Event category description

eventcategory Primary and Unique Keys

Key Name	Key Type	Keys
EvCatKey01	PrimaryKey	catid

eventcategory Foreign Keys

Parent Relationships:

Table Name

Type

Cardinality

Constraint Name

VerbPhrase

InversePhrase

Foreign Keys

Is Supertype

Deferrable

Initially Deferred

Child Relationships:

Table Name	Type	Cardinality	Constraint Name	VerbPhrase	InversePhrase	Foreign Keys	Is Subtype	Deferrable	Initially Deferred
assoctypecat	Non-Identifying	Zero or One to Zero or More					NO	NO	NO

eventcategory Check Constraints

Check Constraint Name	CheckConstraint
EvCat01	catid > 0