Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| nd_protocolprop_id | serial | 10 | √ | nextval('nd_protocolprop_nd_protocolprop_id_seq'::regclass) |  |  | |||||
| nd_protocol_id | int4 | 10 | null |  | 
 | The protocol to which the property applies. | |||||
| type_id | int4 | 10 | null |  | 
 | The name of the property as a reference to a controlled vocabulary term. | |||||
| value | jsonb | 2147483647 | √ | null |  |  | The value of the property. | ||||
| rank | int4 | 10 | 0 |  |  | The rank of the property value, if the property has an array of values. | 
Indexes
| Constraint Name | Type | Sort | Column(s) | 
|---|---|---|---|
| nd_protocolprop_pkey | Primary key | Asc | nd_protocolprop_id | 
| nd_protocolprop_c1 | Must be unique | Asc/Asc/Asc | nd_protocol_id + type_id + rank | 



