PZ_Data 
Logical Entity Name  PZ_Data 
Default Table Name  PZ_Data 
Definition  Poles & zeros of a response 

PZ_Data Attributes 
Attribute/Logical Rolename  Domain  Datatype  NULL  Definition 
key(PK)(FK)    NUMERIC(8, 0)  NO  This attribute denotes a unique identifier for a response (poles & zeros) 
row_key(PK)    NUMERIC(8, 0)  NO  Row key for responses 
type    VARCHAR(1)  YES  This attribute denotes whether a value is associated with a pole/zero 
r_value    FLOAT  NO  The real portion of a complex pole/zero 
r_error    FLOAT  YES  The error value for the real portion of a complex pole/zero 
i_value    FLOAT  NO  The imaginary portion of a complex pole/zero 
i_error    FLOAT  YES  The error value for the imaginary portion of a complex pole/zero 

PZ_Data Keys 
Key Name  Key Type  Keys 
PZD00  PrimaryKey  key, row_key 

PZ_Data Relationships 
Parent Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Supertype 
PZ  Identifying  One To Zero or More        key  NO 
Child Relationships: 
Entity Name  Type  Cardinality  Business Name  VerbPhrase  InversePhrase  Foreign Keys  Is Subtype 

PZ_Data Check Constraints 
Check Constraint Name  CheckConstraint 
PZD01  row_key >= 0 
PZD02  type IN ('P','Z','N','D')