Table: task_depends

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Unanet Data Model

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Columns

		Column Name	Data Type	Default Value	References Table	Foreign Key Name
1.	PK	predecessor_key	decimal(15)		task	fk_task_depends1
2.	PK	successor_key	decimal(15)		task	fk_task_depends2
3.		type	char(2)
4.		lag	decimal(5)

Foreign Keys

Column	References		Foreign Key Name
	Table	Column
predecessor_key	task	task_key	fk_task_depends1
successor_key	task	task_key	fk_task_depends2

Check Constraints

Name	Definition
cc_task_depends_type	([type]='FF' OR [type]='SF' OR [type]='SS' OR [type]='FS')

Indices

Index Name	Unique	Column Name	Asc Or Desc
pk_task_depends	true	predecessor_key	Asc
		successor_key
idx_task_depends1	false	successor_key	Asc