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1. You can start creating a new data service in two ways:
   1. Open the dashboard (click Developer Studio -> Open Dashboard) and click Data Service.  
   2. Select the already created Data Service Project in the navigator, right click and go to New -> Data Service. 
   The New Data Service window will open as shown below.
   

2. To start creating a data service from scratch, select Create New Data Service and click Next.

3. Enter a name for the data service:

   Data Service Name	RDBMSDataService

4. Click Next and start adding the datasource connection details given below.

   Datasource ID	Datasource
   Datasource Type	RDBMS
   Datasource Type (Default/External)	Leave Default selected.
   Database Engine	MySQL
   Driver Class	com.mysql.jdbc.Driver
   URL	jdbc:mysql://localhost:3306/Employees
   User Name	root

5. Save the data service.

A data service file (DBS file) will now be created in your data service project. Shown below is the project directory.

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1. Select the data service you created in the previous step.
2. Right-click and click Add Query.
   

3. Enter the following query details:

   Query ID	GetEmployeeDetails
   Datasource	Datasource

4. Save the query. The query element is now added to the data service:
   

5. Right-click the GetEmployeeDetails query and click Add SQL to add the following SQL statement:

   Code Block
   select EmployeeNumber, FirstName, LastName, Email from Employees where EmployeeNumber=:EmployeeNumber

6. Save the SQL statement.

7. Right-click the query again and click Add Input Mapping. 

8. Enter the following input mapping details:

   Mapping Name	EmployeeNumber
   Parameter Type	SCALAR
   SQL Type	STRING

9. Save the input mapping.

10. Right-click the query again and click Add Output Mapping.

11. Enter the following value to group the output mapping:

    Grouped by Element	Employees

12. Save the output mapping.

13. Right-click the output mapping and go to Add Output Mapping → Add Element to create an element.

14. Enter the following element details.

    Datasource Type	column
    Output Field Name	EmployeeNumber
    Datasource Column Name	EmployeeNumber
    Schema Type	String

15. Save the element.

16. Follow the same steps to create the following output elements:

    Datasource Type	Output Field Name	Datasource Column Name	Schema Type
    column	FirstName	FirstName	string
    column	LastName	LastName	string
    column	Email	Email	string

17. Save the output elements.

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1. Right-click the data service and click Add Resource. Add the following resource details.

   Resource Method	GET
   Resource Path	Employee/{EmployeeNumber}

2. Expand the GET resource, and click the GetEmployeeDetails (call-query). Connect the query to the resource by adding the following:

   Query ID	GetEmployeeDetails

3. Save the resource.

The data service should now have the resource added as shown below.

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1. You can start creating a registry resource in two ways:
   1. Open the dashboard (click Developer Studio -> Open Dashboard) and click Registry Resource.  
   2. Select the already created Registry Resource Project in the navigator, right click and go to New -> Registry Resource. 
   The New Registry Resource window will open as shown below.
   

2. Select From existing template and click Next.

3. Anchor
   step5 step5

   Enter the following details:

   Resource Name	Sample_Policy
   Artifact Name	Sample_Policy
   Template	WS-Policy
   Registry	gov
   Registry path	ws-policy/

4. Click Finish and the policy file will be listed in the navigator.

   1. Let's use the Design View to enable the required security scenario. For example, enable the Sign and Encyrptand Encrypt security scenario as shown below.

      Tip
      Click the icon next to the scenario to get details of the scenario.

      
      

   2. You can also provide encryption properties, signature properties, and advanced rampart configurations as shown below.

      Localtab Group
      Localtab title Encryption/Signature Properties Localtab title Rampart Properties

      Info
      title Using role-based permissions?
      For certain scenarios, you can specify user roles. After you select the scenario, scroll to the right to see the User Roles button. Either define the user roles inline or retrieve the user roles from the server. Localtab Group Localtab title Define Inline Localtab title Get from the server

5. Save the policy file.

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1. If you have already created a data service using Tooling, select the file from the Project Explorer. Alternatively, you can download this sample data service file and import it to your Tooling environment. 

2. Once you have select the data service file, click the browse icon for the Policy field.

   

3. Click workspace, to add the security policy from the current workspace. You can select the path to the sample_policy.xml file that you created in the previous steps.
   
4. Click OK, and the security policy will be added to the data service.
   
5. Save the data service.

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