Table: Project_Template_Definition_Extension
Columns
Name	Type	Constraints	Description
project_template_definition_extension_KEY	int	NOT NULL	Database assigned primary key for this table.
update__staff_KEY	int	NOT NULL
update_date_utc	datetime	NOT NULL
create_date_utc	datetime	NOT NULL
project_template_definition_KEY	int	NOT NULL	Key to a Project Template Definition record.
extension_number	int	NOT NULL	Number of this extension (unique per project_template_definition_KEY).
extension_month	int	NOT NULL	Months to extend the project.
extension_day	int	NOT NULL	Days to extend the project.
row_version	timestamp	NOT NULL

Primary key
Name	Columns		Description
PK_Project_Template_Definition_Extension$project_template_definition_extension_KEY	project_template_definition_extension_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Project_Template_Definition_Extension$project_template_definition_extension_KEY$extension_number	project_template_definition_extension_KEY, extension_number		Each extension_number must be unique for a given project_template_definition_KEY.
Indexes
Name	Columns		Description
IX_Project_Template_Definition_Extension$project_template_definition_KEY	project_template_definition_KEY		Index supports foreign key FK_Project_Template_Definition_Extension__Project_Template_Definition__project_template_definition_KEY

Foreign keys
Name	Columns	Referenced table	Description
FK_Project_Template_Definition_Extension__Project_Template_Definition__project_template_definition_KEY	project_template_definition_KEY	Project_Template_Definition