Building applications using sql azure

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  • For updates to this content please download the latest Azure Services Platform Training Kit from: http://www.azure.com
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Preparing Your SQL Azure Account
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Connecting to SQL Azure
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Managing Logins & Security in SQL Azure
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Creating Objects in SQL Azure
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Migrating Database Schemas to SQL Azure
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Moving Data into SQL Azure with SSIS
  • Excessive resource usageExecute transaction in the while loop Catch throttling errors that result in connection closedPause for a few seconds and reconnectContinue to execute transactions in the loop
  • The step-by-step demo script for this demo is included in the Azure Services Training Kit. DEMO SCRIPT: Building a Simple SQL Azure App

Transcript

  • 1. Windows Azure PlatformTraining Workshop
  • 2. Building Applications using SQL Azure Name Title Organization Email3
  • 3. Reporting Business Analytics Data Sync The Power of the SQL Data Platform in the cloud Leverages existing skills and rich tooling ecosystem Enables database applications with new, “cloud” capabilities
  • 4. SQL Azure Database Highly scaled out relational database as a service Relational database service Browser • SQL Server technology foundation • Highly symmetricalSOAP/REST ADO.NET/REST - EDM HTTP/S HTTP/S • Highly scaled • Highly secure App Code (ASP.NET) Database “as a Service” – beyond hosting SQL Server Report Server Windows Azure (on-premises) Customer Value Props Compute  Self-provisioning and capacity on demandT-SQL (TDS) T-SQL (TDS)  Symmetry w/ on-premises database platform SQL Azure  Automatic high-availability and fault-tolerance Database MS  Automated DB maintenance (infrastructure) Datacenter  Simple, flexible pricing – “pay as you grow” - AD Federation (LiveId /AppFabric AC)
  • 5. SQL Azure Network Topology Applications use standard SQL client Application libraries: ODBC, ADO.Net, … TDS (tcp:1433) Load balancer forwards ‘sticky’ Load Balancer sessions to TDS protocol tierTDS (tcp: 1433) Gateway Gateway Gateway Gateway Gateway GatewayTDS (tcp: 1433) Data Node Data Node Data Node Data Node Data Node Data Node Scalability and Availability: Fabric, Failover, Replication and Load balancing6
  • 6. Performance Considerations The distance your application travels to perform data access will affect performance7
  • 7. V1 Application Topologies SQL Azure access from within MS Datacenter SQL Azure access from outside MS Datacenter (Azure compute – ADO.NET) (On-premises – ADO.NET) Application/ Browser App Code / Tools SOAP/REST ADO.NET Data Svcs/REST - EF HTTP/S HTTP/S App Code (ASP.NET) Windows Azure T-SQL (TDS) T-SQL (TDS) SQL Data SQL Data MS MS Services Services Datacenter Datacenter Code Near Code Far8
  • 8. Data Hub “An aggregation of Enterprise, Partner, Desktop, and Device data within SQL Azure” Windows Azure Enterprise Azure App On-premises App SQL Azure Enterprise User Management Device Management Desktop Device Sync Client App Client App Business Logic / Rules Gateway Sync Client Sync Client9
  • 9. Service Provisioning Model Each account has zero or more servers Account Azure wide, provisioned in a common portal Billing instrument Each server has one or more databases Contains metadata about the databases and usage Unit of authentication Server Unit of Geo-location Generated DNS based name Each database has standard SQL objects Unit of consistency Database Unit of multi-tenancy Contains Users, Tables, Views, Indices, etc. Most granular unit of billing10
  • 10. Setting Up SQL Azure Account Request token for SQL Azure at http://www.azure.com/ Tokens will generally be provisioned within a couple days Redeeming tokens Setup administrative user Specify geo-location11
  • 11. Preparing your SQL Azure Account (click-through & portal)12
  • 12. SQL Azure Deployment DB SQL Azure Script TDS Gateway13
  • 13. SQL Azure Accessing databases Change Connection String Your SQL Azure TDS Gateway App14
  • 14. Connecting to SQL Azure Connect via ADO.NET, ODBC, etc. OLE DB is NOT supported May need to include <login>@<server> USE statement is NOT currently supported Use familiar tools (sqlcmd, osql, SSMS, etc) Current version of SSMS is not fully supported but it works (demo to come) Tools will evolve before PDC for increased support15
  • 15. Connecting to SQL Azure16
  • 16. SQL Azure Security Supports SQL Server Security On-premise SQL Server security concepts still apply Server-level: sds_dbcreator, sds_securityadmin roles Database-level: same as on-premise SQL Server SSMS Object Explorer is NOT currently supported Administrative user is equivalent to sa17
  • 17. Managing Logins & Security in SQL Azure18
  • 18. T-SQL Support (full or partial) Constants Tables, joins, and table Constraints variables Cursors Transact-SQL language Index management and elements such as rebuilding indexes Create/drop databases Create/alter/drop tables Local temporary tables Create/alter/drop users Reserved keywords and logins Stored procedures … Statistics management User-defined functions Transactions Views Triggers19
  • 19. T-SQL Not Supported (v1) Common Language SQL Server configuration Runtime (CLR) options Database file placement SQL Server Service Broker Database mirroring System tables Distributed queries Trace Flags Distributed transactions Filegroup management Full Text Search Global temporary tables Spatial data and indexes20
  • 20. Creating Objects in SQL Azure21
  • 21. Migrating Databases “Just change the connection string” * once database is migrated Generate script wizard from SSMS currently creates unsupported DDL SQL Server Management Studio 2008 R2 has increased support for SQL Azure Migrating Databases to SQL Azure HOL in the Windows Azure Platform Training Kit22
  • 22. Migrating Database Schemas to SQL Azure23
  • 23. Moving data Scripted INSERT statements SQL Server Integration Services Available in Developer and Trial editions Use ADO.NET endpoint BCP (bulk copy) is supported DataSync will enable Microsoft Sync Framework24
  • 24. Moving Data into SQL Azure with SSIS25
  • 25. Special Considerations: Database Size Maximum single database size is currently 10GB Database size calculation Includes: primary replica data, objects and indexes Does NOT include: logs, master database, system tables, server catalogs or additional replicas V1 does not support auto-partitioning or fan-out queries Must handle partitioning logic within the application See scale out SQL Azure content within the Windows Azure Platform Training Kit for additional guidance26
  • 26. Special Considerations: Throttling MSDN • Use traditional SQL Server best practices • CTP cluster has throttling limits turned up to allow for building logic into apps for handling this case • Build in retry logic especially if you expect very high throughput demands • Consider scaling out for high throughput scenarios27
  • 27. Special Considerations: PHP SQL Azure does NOT support Multiple Active Result Sets (MARS) Must use the SQL Server for PHP v1.1 or newer with MARS connection option set to FALSE28
  • 28. Building a Windows Azure App Connected to SQL Azure29
  • 29. Learning SQL Azure www.azure.com Hands on Labs in Windows Azure Platform Training Kit Follow the team bloggers30
  • 30. Want to Know More? Windows Azure Platform http://www.azure.com/ Windows Azure Platform Training Kit http://www.microsoft.com/downloads/details.aspx?FamilyID=4 13E88F8-5966-4A83-B309-53B7B77EDF78&displaylang=en MSDN Development Center http://msdn.microsoft.com/en-us/sqlserver/dataservices Team Blog http://blogs.msdn.com/ssds31
  • 31. 32
  • 32. © 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.33