| SAS Namespace Hierarchy and Association Diagrams |
| Key Hierarchy |
The Key Hierarchy Diagram depicts the hierarchy of the metadata types that represent relational keys.
Key Hierarchy Diagram
![[Key Hierarchy Diagram]](images/reltl-keyhierarchy.gif)
| Column Hierarchy |
The Column Hierarchy Diagram depicts the type hierarchy of the metadata types that represent relational columns.
Column Hierarchy Diagram
![[Column Hierarchy Diagram]](images/reltl-columnhierarchy.gif)
| Table Hierarchy |
The Table Hierarchy Diagram depicts the hierarchy of the metadata types that represent tables.
Table Hierarchy Diagram
![[Table Hierarchy Diagram]](images/reltl-tablehierarchy1.gif)
DataTable is an abstract metadata type that models the properties for three classes of subtypes: ExternalTable, RelationalTable, and TableCollection. RelationalTable has as subtypes QueryTable, PhysicalTable, JoinTable, and WorkTable, which also inherit from each other.
| Database Schema Hierarchy |
The Database Schema Hierarchy depicts the hierarchy of the metadata types that represent a relational schema.
Database Schema Hierarchy Diagram
![[DeployedDataPackage Hierarchy Diagram]](images/reltl-dataschemahierarchy.gif)
| Schema, Table, Role, and Column Associations |
The Schema, Table, Role, and Column Associations Diagram illustrates the associations between the DatabaseCatalog, RelationalSchema, Role, DataTable, and Column metadata types.
Schema, Table, Role, and Column Associations Diagram
![[DeployedDataPackage Hierarchy Diagram]](images/reltl-schmtblrolcolasn1.gif)
| Table, Password, and Index Associations |
The Table, Password, and Index Associations Diagram illustrates the associations between the PhysicalTable, SASPassword, Index, and Column metadata types.
Table, Password, and Index Associations Diagram
![[Table, Password, and Index Associations Diagram]](images/reltl-tablespasswdidxassns1.gif)
| Table and Key Associations |
The Table and Key Associations Diagram illustrates the associations between the DataTable, Column, Key, KeyAssociation, ForiegnKey, and PrimaryKey metadata types.
Table and Key Associations Diagram
![[Table and Key Associations Diagram]](images/reltl-tablekeyassns.gif)
| TKTS Data Source Name Associations |
The TKTS Data Source Name Associations Diagram illustrates the associations between RelationalSchema, DataSourceName, Login, and Connection metadata types.
TKTS Data Source Name Associations Diagram
![[TKTS Data Source Name Associations Diagram]](images/reltl-tktsassns.gif)
| Table Collection Associations |
The Table Collection Associations Diagram illustrates the associations between the DataTable, Column, TableCollection, DeployedDataPackage, ContentLocation and RelationalSchema metadata types and some of their subtypes.
Table Collection Associations Diagram
![[Table Collection Associations Diagram]](images/reltl-tablecollectassns.gif)
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