POSC Meta Model Specifications Version 2.3
Meta Data Relational Implementation
REF_SCHEMA
(REF_SCHEMA)
(DDL)
This handles the referencing of EXPRESS schemas from within other EXPRESS schemas.
ref_schema_s
(PK, M: CHAR VARYING(19))
Surrogate key of the table.
ref_schema_type
(M: CHAR(1))
ref_schema
.ref_schema_type
Can be "R" referenced or "U" used.
parent_schema_s
(FSK, M: CHAR VARYING(19))
ref_schema
.parent_schema
The parent or roiginal schema that is referencing or using other schemas.
Defines a foreign key to table
schema_def
.
refd_schema_s
(FSK, M: CHAR VARYING(19))
ref_schema
.refd_schema
The handle of the schema that is being referenced.
Defines a foreign key to table
schema_def
.
Primary Key Constraint on:
REF_SCHEMA_S
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