Table: Project_Template_Extension
Columns
Name	Type	Constraints	Description
project_template_extension_KEY	int	NOT NULL	AUTO-INCREMENT: 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_KEY	int	NOT NULL	Key to a Project Template record.
extension_number	int	NOT NULL	Number of this extension (unique per project_template_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_Extension$project_template_extension_KEY	project_template_extension_KEY		CLUSTERED
Unique constraints
Name	Columns		Description
UK_Project_Template_Extension$project_template_KEY$extension_number	project_template_KEY, extension_number

Foreign keys
Name	Columns	Referenced table	Description
FK_Project_Template_Extension__Project_Template__project_template_KEY	project_template_KEY	Project_Template