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AdventureWorks Sales Storage Schema (EDM)

In the Entity Data Model (EDM), storage metadata is defined in store schema definition language (SSDL). In this example, the SSDL schema represents the tables and keys of data in the Adventure Works sample database.

SSDL Schema

The following example contains the metadata for five tables in the Adventure Works database. XML syntax is used to define the structures of the storage model. Entity sets represent tables. Entity types represent rows. Properties represent columns in rows. Associations represent foreign key relationships. Association sets logically define the scope of associations.

This schema is used in mapping the model found in the previous topic AdventureWorks Sales Conceptual Schema (EDM) to storage.

The complete SSDL schema is shown in the following example.

<?xml version="1.0" encoding="utf-8"?>
<Schema Namespace="AdvWrksSalesModel.Store" Alias="Self"
    Provider="System.Data.SqlClient"
    ProviderManifestToken="2005"
    xmlns="https://schemas.microsoft.com/ado/2006/04/edm/ssdl">
  <EntityContainer Name="Person">
    <EntitySet Name="Address" EntityType="AdvWrksSalesModel.Store.Address" />
    <EntitySet Name="Contact" EntityType="AdvWrksSalesModel.Store.Contact" />
    <EntitySet Name="Product" EntityType="AdvWrksSalesModel.Store.Product" Schema="Production" />
    <EntitySet Name="SalesOrderDetail" EntityType="AdvWrksSalesModel.Store.SalesOrderDetail" Schema="Sales" />
    <EntitySet Name="SalesOrderHeader" EntityType="AdvWrksSalesModel.Store.SalesOrderHeader" Schema="Sales" />
    <AssociationSet Name="FK_SalesOrderDetail_SalesOrderHeader_SalesOrderID" Association="AdvWrksSalesModel.Store.FK_SalesOrderDetail_SalesOrderHeader_SalesOrderID">
      <End Role="SalesOrderHeader" EntitySet="SalesOrderHeader" />
      <End Role="SalesOrderDetail" EntitySet="SalesOrderDetail" />
    </AssociationSet>
    <AssociationSet Name="FK_SalesOrderHeader_Address_BillToAddressID" Association="AdvWrksSalesModel.Store.FK_SalesOrderHeader_Address_BillToAddressID">
      <End Role="Address" EntitySet="Address" />
      <End Role="SalesOrderHeader" EntitySet="SalesOrderHeader" />
    </AssociationSet>
    <AssociationSet Name="FK_SalesOrderHeader_Address_ShipToAddressID" Association="AdvWrksSalesModel.Store.FK_SalesOrderHeader_Address_ShipToAddressID">
      <End Role="Address" EntitySet="Address" />
      <End Role="SalesOrderHeader" EntitySet="SalesOrderHeader" />
    </AssociationSet>
    <AssociationSet Name="FK_SalesOrderHeader_Contact_ContactID" Association="AdvWrksSalesModel.Store.FK_SalesOrderHeader_Contact_ContactID">
      <End Role="Contact" EntitySet="Contact" />
      <End Role="SalesOrderHeader" EntitySet="SalesOrderHeader" />
    </AssociationSet>
  </EntityContainer>
  <EntityType Name="Address">
    <Key>
      <PropertyRef Name="AddressID" />
    </Key>
    <Property Name="AddressID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" />
    <Property Name="AddressLine1" Type="nvarchar" Nullable="false" MaxLength="60" />
    <Property Name="AddressLine2" Type="nvarchar" MaxLength="60" />
    <Property Name="City" Type="nvarchar" Nullable="false" MaxLength="30" />
    <Property Name="StateProvinceID" Type="int" Nullable="false" />
    <Property Name="PostalCode" Type="nvarchar" Nullable="false" MaxLength="15" />
    <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" />
    <Property Name="ModifiedDate" Type="datetime" Nullable="false" />
  </EntityType>
  <EntityType Name="Contact">
    <Key>
      <PropertyRef Name="ContactID" />
    </Key>
    <Property Name="ContactID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" />
    <Property Name="NameStyle" Type="bit" Nullable="false" />
    <Property Name="Title" Type="nvarchar" MaxLength="8" />
    <Property Name="FirstName" Type="nvarchar" Nullable="false" MaxLength="50" />
    <Property Name="MiddleName" Type="nvarchar" MaxLength="50" />
    <Property Name="LastName" Type="nvarchar" Nullable="false" MaxLength="50" />
    <Property Name="Suffix" Type="nvarchar" MaxLength="10" />
    <Property Name="EmailAddress" Type="nvarchar" MaxLength="50" />
    <Property Name="EmailPromotion" Type="int" Nullable="false" />
    <Property Name="Phone" Type="nvarchar" MaxLength="25" />
    <Property Name="PasswordHash" Type="varchar" Nullable="false" MaxLength="128" />
    <Property Name="PasswordSalt" Type="varchar" Nullable="false" MaxLength="10" />
    <Property Name="AdditionalContactInfo" Type="xml" />
    <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" />
    <Property Name="ModifiedDate" Type="datetime" Nullable="false" />
  </EntityType>
  <EntityType Name="Product">
    <Key>
      <PropertyRef Name="ProductID" />
    </Key>
    <Property Name="ProductID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" />
    <Property Name="Name" Type="nvarchar" Nullable="false" MaxLength="50" />
    <Property Name="ProductNumber" Type="nvarchar" Nullable="false" MaxLength="25" />
    <Property Name="MakeFlag" Type="bit" Nullable="false" />
    <Property Name="FinishedGoodsFlag" Type="bit" Nullable="false" />
    <Property Name="Color" Type="nvarchar" MaxLength="15" />
    <Property Name="SafetyStockLevel" Type="smallint" Nullable="false" />
    <Property Name="ReorderPoint" Type="smallint" Nullable="false" />
    <Property Name="StandardCost" Type="money" Nullable="false" />
    <Property Name="ListPrice" Type="money" Nullable="false" />
    <Property Name="Size" Type="nvarchar" MaxLength="5" />
    <Property Name="SizeUnitMeasureCode" Type="nchar" MaxLength="3" />
    <Property Name="WeightUnitMeasureCode" Type="nchar" MaxLength="3" />
    <Property Name="Weight" Type="decimal" Precision="8" Scale="2" />
    <Property Name="DaysToManufacture" Type="int" Nullable="false" />
    <Property Name="ProductLine" Type="nchar" MaxLength="2" />
    <Property Name="Class" Type="nchar" MaxLength="2" />
    <Property Name="Style" Type="nchar" MaxLength="2" />
    <Property Name="ProductSubcategoryID" Type="int" />
    <Property Name="ProductModelID" Type="int" />
    <Property Name="SellStartDate" Type="datetime" Nullable="false" />
    <Property Name="SellEndDate" Type="datetime" />
    <Property Name="DiscontinuedDate" Type="datetime" />
    <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" />
    <Property Name="ModifiedDate" Type="datetime" Nullable="false" />
  </EntityType>
  <EntityType Name="SalesOrderDetail">
    <Key>
      <PropertyRef Name="SalesOrderID" />
      <PropertyRef Name="SalesOrderDetailID" />
    </Key>
    <Property Name="SalesOrderID" Type="int" Nullable="false" />
    <Property Name="SalesOrderDetailID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" />
    <Property Name="CarrierTrackingNumber" Type="nvarchar" MaxLength="25" />
    <Property Name="OrderQty" Type="smallint" Nullable="false" />
    <Property Name="ProductID" Type="int" Nullable="false" />
    <Property Name="SpecialOfferID" Type="int" Nullable="false" />
    <Property Name="UnitPrice" Type="money" Nullable="false" />
    <Property Name="UnitPriceDiscount" Type="money" Nullable="false" />
    <Property Name="LineTotal" Type="numeric" Nullable="false" Precision="38" Scale="6" StoreGeneratedPattern="Computed" />
    <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" />
    <Property Name="ModifiedDate" Type="datetime" Nullable="false" />
  </EntityType>
  <EntityType Name="SalesOrderHeader">
    <Key>
      <PropertyRef Name="SalesOrderID" />
    </Key>
    <Property Name="SalesOrderID" Type="int" Nullable="false" StoreGeneratedPattern="Identity" />
    <Property Name="RevisionNumber" Type="tinyint" Nullable="false" />
    <Property Name="OrderDate" Type="datetime" Nullable="false" />
    <Property Name="DueDate" Type="datetime" Nullable="false" />
    <Property Name="ShipDate" Type="datetime" />
    <Property Name="Status" Type="tinyint" Nullable="false" />
    <Property Name="OnlineOrderFlag" Type="bit" Nullable="false" />
    <Property Name="SalesOrderNumber" Type="nvarchar" Nullable="false" MaxLength="25" StoreGeneratedPattern="Computed" />
    <Property Name="PurchaseOrderNumber" Type="nvarchar" MaxLength="25" />
    <Property Name="AccountNumber" Type="nvarchar" MaxLength="15" />
    <Property Name="CustomerID" Type="int" Nullable="false" />
    <Property Name="ContactID" Type="int" Nullable="false" />
    <Property Name="SalesPersonID" Type="int" />
    <Property Name="TerritoryID" Type="int" />
    <Property Name="BillToAddressID" Type="int" Nullable="false" />
    <Property Name="ShipToAddressID" Type="int" Nullable="false" />
    <Property Name="ShipMethodID" Type="int" Nullable="false" />
    <Property Name="CreditCardID" Type="int" />
    <Property Name="CreditCardApprovalCode" Type="varchar" MaxLength="15" />
    <Property Name="CurrencyRateID" Type="int" />
    <Property Name="SubTotal" Type="money" Nullable="false" />
    <Property Name="TaxAmt" Type="money" Nullable="false" />
    <Property Name="Freight" Type="money" Nullable="false" />
    <Property Name="TotalDue" Type="money" Nullable="false" StoreGeneratedPattern="Computed" />
    <Property Name="Comment" Type="nvarchar" MaxLength="128" />
    <Property Name="rowguid" Type="uniqueidentifier" Nullable="false" />
    <Property Name="ModifiedDate" Type="datetime" Nullable="false" />
  </EntityType>
  <Association Name="FK_SalesOrderDetail_SalesOrderHeader_SalesOrderID">
    <End Role="SalesOrderHeader" Type="AdvWrksSalesModel.Store.SalesOrderHeader" Multiplicity="1">
      <OnDelete Action="Cascade" />
    </End>
    <End Role="SalesOrderDetail" Type="AdvWrksSalesModel.Store.SalesOrderDetail" Multiplicity="*" />
    <ReferentialConstraint>
      <Principal Role="SalesOrderHeader">
        <PropertyRef Name="SalesOrderID" />
      </Principal>
      <Dependent Role="SalesOrderDetail">
        <PropertyRef Name="SalesOrderID" />
      </Dependent>
    </ReferentialConstraint>
  </Association>
  <Association Name="FK_SalesOrderHeader_Address_BillToAddressID">
    <End Role="Address" Type="AdvWrksSalesModel.Store.Address" Multiplicity="1" />
    <End Role="SalesOrderHeader" Type="AdvWrksSalesModel.Store.SalesOrderHeader" Multiplicity="*" />
    <ReferentialConstraint>
      <Principal Role="Address">
        <PropertyRef Name="AddressID" />
      </Principal>
      <Dependent Role="SalesOrderHeader">
        <PropertyRef Name="BillToAddressID" />
      </Dependent>
    </ReferentialConstraint>
  </Association>
  <Association Name="FK_SalesOrderHeader_Address_ShipToAddressID">
    <End Role="Address" Type="AdvWrksSalesModel.Store.Address" Multiplicity="1" />
    <End Role="SalesOrderHeader" Type="AdvWrksSalesModel.Store.SalesOrderHeader" Multiplicity="*" />
    <ReferentialConstraint>
      <Principal Role="Address">
        <PropertyRef Name="AddressID" />
      </Principal>
      <Dependent Role="SalesOrderHeader">
        <PropertyRef Name="ShipToAddressID" />
      </Dependent>
    </ReferentialConstraint>
  </Association>
  <Association Name="FK_SalesOrderHeader_Contact_ContactID">
    <End Role="Contact" Type="AdvWrksSalesModel.Store.Contact" Multiplicity="1" />
    <End Role="SalesOrderHeader" Type="AdvWrksSalesModel.Store.SalesOrderHeader" Multiplicity="*" />
    <ReferentialConstraint>
      <Principal Role="Contact">
        <PropertyRef Name="ContactID" />
      </Principal>
      <Dependent Role="SalesOrderHeader">
        <PropertyRef Name="ContactID" />
      </Dependent>
    </ReferentialConstraint>
  </Association>
</Schema>

See Also

Concepts

AdventureWorks Sales Conceptual Schema (EDM)
AdventureWorks Sales Mapping Schema (EDM)
AdventureWorks Sales Connection (EDM)