Sql azure data services OData
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The document outlines best practices for creating and managing OData services using WCF Data Services and Windows Azure, highlighting the benefits of cloud-based relational databases, scalability, and ease of use. It emphasizes the importance of authentication, versioning, and security in developing web APIs while providing guidance on using various tools and services available on the Azure platform. Additionally, it discusses future capabilities and features in the realm of open data protocols and the importance of sharing data responsibly.
Sql azure data services OData
- 1. Ing. Eduardo Castro Martínez [email protected] http://tinyurl.com/comunidadwindows
- 2. ARC306. Open Data For The Enterprise. Jonathan Carter DEV323. Best Practices: Creating OData Services using WCF Data Servic. Alex James DEV325. Best Practices for Building Custom Open Data Protocol (OData) Services with Windows Azure. Alex James
- 4. Microsoft SQL Azure Information Platform as a Service Managed Service Scale on Demand Innovate Faster Platform capabilities delivered as a service (Database, Data Database as a utility with Innovate with new data Sync, Reporting…) pay as you grow scaling application patterns Reduced complexity, greater Rely on Business-ready Build cloud-based data flexibility SLAs solutions on a familiar relational model Easy provisioning and Enable multi-tenant deployment solutions Build on existing developer skills and familiar Transact- Auto High availability and Manage multiple servers SQL syntax fault tolerant
- 5. Subscription Used to map service usage to the billing instrument Users may have many subscriptions Logical Server Akin to SQL Server Instance Unit of Geo-Location & Billing 1:1 Subscription & server User Database Restricted T-SQL surface area Additional catalog views provided e.g. sys.billing, sys.firewall_rules, etc
- 6. A relational DB in the cloud SQL Azure Database Data Hub Others (Future) .NET Services SQL Services Applications Relational database as a service Live Services Windows Azure Highly available, automatically maintained Extension of the SQL Server Data Platform Applications Windows Windows Windows Others Server Vista/XP Mobile
- 7. Single Logical Multiple Physical Database Replicas Repli ca 1 Repli D ca 2 B Repli ca 3
- 8. Reference Data Sync Data Symmetric Programming Model Data Hub Aggregation • Initial services – core RDBMS capabilities with SQL Azure Database, Data Sync • Future Offerings • Additional data platform capabilities: Reporting, BI • New services: Reference Data
- 9. Clear Feedback: “I want a database in the Cloud” Familiar SQL Server relational model Uses existing APIs & tools Built for the Cloud with availability and scale Accessible to all from PHP, Ruby, and Java Focus on combining the best features of SQL Server running at scale with low friction
- 10. Application Application Application Browser Browser ODBC, OLEDB, Application Application REST Client REST Client SQL Client* ADO.Net PHP, Ruby, … Cloud Cloud Evolves HTTP+REST HTTP+REST HTTP HTTP TDS Windows Azure Windows Azure Data Center Data Center Web App REST (Astoria) Web App REST Client ADO.Net + EF SQL Client* REST/SOAP + ACE Model TDS + TSQL Model SDS Current SDS Next * Client access enabled using TDS for ODBC, ADO.Net, OLEDB, PHP-SQL, Ruby, …
- 11. SQL Azure Database Others (Future) SQL Azure Applications Windows Azure AppFabric Windows Azure Applications Windows Others
- 12. SQL Azure Database Database TDS Application Database Database SQL Azure Database Others (Future)
- 13. SQL Azure Database Database Application Max database Database size is 50 GB Database Application Database
- 14. Applications use standard SQL client libraries: ODBC, ADO.Net, PHP, … Application Internet Azure Cloud TDS (tcp) Security Boundary Load balancer forwards „sticky‟ sessions to TDS LB protocol tier TDS (tcp) Gateway Gateway Gateway Gateway Gateway Gateway Gateway: TDS protocol gateway, enforces AUTHN/AUTHZ policy; proxy to CloudDB TDS (tcp) L SQL SQL SQL SQL Scalability and Availability: Fabric, Failover, Replication, and Load balancing
- 15. Subscription Coordinated across all Azure services Executed in parallel w/retries Server May occur between data centers Point where Geo-location is established Database Always occurs within a single data center Cross node operations executed during this process e.g. add new db to sys.databases on the master
- 16. Live DNS Cluster Customer Live DNS Browser Svc 1 Datacenter (Sub-Region) 5 Portal LB Gateway LB 2 4 3 6 Front-end Node Front-end Node Front-end Node Front-end Node Admin Portal Admin Portal Gateway Gateway 7 Backend Node Backend Node Backend Node SQL Server SQL Server SQL Server Mgmt. Mgmt. Mgmt. Services Fabric Services Fabric Services Fabric
- 17. 1 TDS Gateway Front-end Node TDS Session Protocol Parser 2 3 Gateway Logic Master Cluster Master Node 4 Master Node Components 7 5 8 6 Backend Node 1 Backend Node 2 Backend Node 3 SQL Instance SQL Instance SQL Instance SQL DB SQL DB SQL DB Scalability and and Availability: Fabric,Failover,Replication, and Load balancing Scalability Availability: Fabric, Failover, Replication, and Load balancing
- 19. Build a custom OData Service? Configure and Deploy your OData Service? Reach your audience? Share only what you want? Plan for the future?
- 20. OData is the easiest way to share data Do it wrong and it will cost you Mobile and JavaScript clients are important Sharing too much can hurt your career Things change.
- 21. “Open Data”
- 23. 1. Based on HTTP & ATOM 2. Open Specification Promise HTTP/ATOM + QUERY + JSON + METADATA
- 24. HTTP Reach (devices and platforms) Metadata Formats (ATOM & JSON) Semantics(GET/PUT/POST/ DELETE) Uri Conventions & Query Language
- 25. HTTP Suitable for devices Simple Powerful Eco-system Platforms: Javascript, PHP, Java, .NET, Silverlight, Ruby, i OS etc Producers: SharePoint, DataMarket, CRM, StackOverflow, Netflix etc.
- 27. For development you need: Windows Azure SDK and Windows Azure Tools for VS Azure account with at least: One Storage Account One Hosted Service Registered Certificate SQL Azure Database
- 28. Options Use SSIS Script Database and run script in new database Code in your app to initialize database (Coming Soon) http://www.sqlazurelabs.com/ImportExport.aspx (EXPORT) DacImportExportCli.exe -s serverName -d databaseName -f C:filePathexportFileName.bacpac -x -e (IMPORT) DacImportExportCli.exe -s serverName.database.windows.net -d databaseName -f C:filePathexportFileName.bacpac -i
- 30. .getJSON(..) <script> {“x”:1} callback({“x”:1})
- 31. Authentication & Authorization Authenticates and sets: HttpContext.Current.User
- 32. AuthN Windows Auth – simple for in the enterprise services Basic Auth – maximum reach Forms Auth – purely for integration OAuth – most flexible – but needs custom code OAuth HttpModule Custom client code to acquire credentials
- 33. authentica tes Gives consent [email protected] someone@facebook .com Authenticates and sets: HttpContext.Current.User
- 34. Try to Authenticate [email protected] om [email protected] Authenticates and sets: HttpContext.Current.User
- 35. need to access [email protected]‟s data token: [email protected] token: [email protected] canread canread Authenticates and sets: HttpContext.Current.User
- 37. With DataServiceContext.IgnoreMissingProperti es: You can safely Add a new optional property Remove a property – Read Only Add unrelated new types But lots of things can go wrong. Add a required property or navigation Remove a property – Read/Write Rename a property (fail). Remove a type / feed Realistic Solution V1/service.svc/ V2/service.svc/
- 38. You just learned how to: The easiest way to build a web-api The easiest way to host a web-api How to do it the right way: Configuration Security & Reach Versioning You know how to create a REAL service…
- 39. Windows Azure SDK and Windows Azure Tools for Microsoft Visual Studio http://bit.ly/mMcoc3 JSONP component (with recent bug fix) http://bit.ly/mbk04c Using ASP.NET Output Caching with WCF Data Services http://bit.ly/gXmbdE Authentication posts on the OData team blog http://bit.ly/gXmbdE The New Hands-on Lab on ACS + WP7 + OAuth2.0 OData Service http://bit.ly/h8gcJV
- 40. http://www.odata.org http://msdn.microsoft.com/odata http://odata.codeplex.com http://odata.msteched.com/tena2011/sessions.svc
- 43. http://northamerica.msteched.com www.microsoft.com/teched www.microsoft.com/learning http://microsoft.com/technet http://microsoft.com/msdn