1. Azure SQL Databases - Introduction and Migration
Kumar Bijayanta
2/14/2015

2. Azure SQL Databases Database as a service. Hosted on Azure VMs.
Pay as you go.
No upfront cost, no termination fees.
Price starting from 0.41 rs/hr.
Access over internet.
Easily Scalable.

3. Capabilities - Close to zero maintenance. Predictable performance.
Availability backed by replicas.
Data protection via auditing , restore and geo-replication.
Easily scalable.
Automated backup and restore.

4. Editions Web and Business - unpredictable performance. 5 GB - 150 GB
Supported until September.
Basic, Standard and Premium
Predictable performance
upto 500 GB.
DTUs - a blend of memory, CPU, I/O, etc.

5. Comparison

6. Demo Create a database. Run queries against it. Scale Database.
Backup and Restore.

7. Advantages Close to zero maintenance. Create database in seconds.
Code near data.
Guaranteed predictable performance.
Easily scalable.
Lower price.
Built-in HA, backup and restore

8. Database migration Size Complexity
Time to migrate directly proportional to size.
Transactions could be throttled.
Complexity
Schema changes.
Features not supported in Azure.

9. Migration tools Azure SQL Database Import and Export Service.
Database Copy.
SQL Server Import and Export Wizard.
SQL Database Migration Wizard.
SQL Server Migration Assistant -
From Accss/DB2/Oracle/MySQL
BCP.
SQL Server Integration Services.

10. Demo Migration that requires database to be modified.
Clean errors and migrate.

11. Migration Best Practices
Pick S2 or higher edition for the migration duration.
Copy bacpac file to Azure blob.
Run the source database trough SQL database migration wizard.
Separate operations into smaller batches.
Retry logic.