SQL Azure April 2010

Lynn Langithttp://blogs.msdn.com/SoCalDevGaltwitter - @llangit

Windows Azure Platform
Compute: Virtualized compute environment
Storage: Durable, scalable, & available storage
Management: Automated, model-driven management
Database:Relational processing for structured/unstructured data
Service Bus: General purpose application bus
Access Control: Rules-driven, claims-based access control

Familiar SQL Server relational model
Uses existing APIs & tools
Built for the Cloud with availability and scale
Accessible to all from .NET, PHP, Ruby, or Java
Microsoft SQL Azure
Clear Feedback: “I want a relational database in the Cloud”

Extending SQL Data Platform to Cloud
Reference Data
Business Intelligence
Data Sync
Reporting
SQL Azure Database
Symmetric Programming Model
Data Hub Aggregation
Initial Services
Database – Core SQL Server database capabilities
Future Services
Data Sync – Enables the sync framework
Additional SQL Server capabilities available as a service: Business Intelligence and Reporting
New services: Reference Data and Secure Data Hub

Database Choices
Value Props:
Full h/w control – size/scale
100% compatibility
Roll-your-own HA/DR/scale
Value Props:
100% of API surface area
Roll-your-own HA/DR/scale
On-premise
SQL Server or other s/w on-premise
Resource governance @ machine
Security @ DB Server/OS
Value Props:
Auto HA, Fault-Tolerance
Friction-free scale
Self-provisioning
High compatibility
Dedicated
Hosted
Hosted SQL Server or other
Resource governance @ VM
Security @ DB Server/OS
SQL Azure (RDBMS)
Resources
Virtual DB server
Resource governance @ LDB
Security @ LDB
Shared
Low
“Friction”/Control
High

V1 Application Topologies
SQL Azure access from outside MS Datacenter
SQL Azure access from within MS Datacenter
Application/
Browser
App Code / Tools
ADO.NET Data Svcs/REST - EF
HTTP/S
SOAP/REST
HTTP/S
App Code
(ASP.NET)
Windows Azure
T-SQL (TDS)
T-SQL (TDS)
SQL Data Services
SQL Data Services
MS
Datacenter
MS
Datacenter
Code Far
Code Near

Database Replicas
Single Database
Multiple Replicas
Replica 1
Single Primary
Replica 2
DB
Replica 3

SLA Information
SQL Azure customers will have connectivity between the database and our Internet gateway. SQL Azure will maintain a “Monthly Availability” of 99.9% during a calendar month. “Monthly Availability Percentage” for a specific customer database is the ratio of the time the database was available to customer to the total time in a month. Time is measured in 5-minute intervals in a 30-day monthly cycle. Availability is always calculated for a full month. An interval is marked as unavailable if the customer’s attempts to connect to a database are rejected by the SQL Azure gateway.Download SQL Azure SLA.

Each accounthas zero or more servers
Azure wide, provisioned in a common portal
Billing instrument
Each serverhas one or more databases
Contains metadata about the databases and usage
Unit of authentication
Unit of Geo-location
Generated DNS based name
Each databasehas standard SQL objects
Unit of consistency
Unit of multi-tenancy
Contains Users, Tables, Views, Indices, etc.
Most granular unit of billing
Service Provisioning Model
Account
Server
Database

SQL Azure focus on logical administration
Schema creation and management
Query optimization
Security management (Logins, Users, Roles)
Service handles physical management
Automatically replicated with HA “out of box”
Transparent failover in case of failure
Load balancing of data to ensure SLA
Logical vs. Physical Administration
DBA role places more focus on logical management

SQL Azure portal - http://sql.azure.com
Demo – SQL Azure Portal

SQL AzureAccessing databases
Web Portal
(API)
Your App
SQL Azure
TDS
Change Connection String

Use ADO.NET, ODBC, PHP (NOT OLE DB)
Client libraries pre-installed in Azure roles
Support for ASP.NET controls
Clients connect directly to a database
Cannot hop across DBs (no USE)
May need to include <login>@<server>
Use familiar tools (sqlcmd, osql, SSMS, etc)
SSMS 2008 R2 CTP can connect
http://blogs.msdn.com/ssds/archive/2009/11/11/9921041.aspx
Connection Model

Connecting to SQL Azure with SSMS 2008 R2
SQL Azure Explorer for VS 2010 http://sqlazureexplorer.codeplex.com/
SQLCMD – can also be used
SSIS – can also be used
Demo – Connect via tools

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
Special ConsiderationsDatabase Size
*announced at Mix10, future support for 50 GB size in SU3 (June)

Sharding Databases
1 x 10GB database
1 Instances
10 x 1GB databases
10 Instances

Compatibility for V1
In Scope
Tables, indexes and views
w/ clustered indices
Stored Procedures
Triggers
Constraints
Table variables
Session temp tables
Out of Scope
Distributed Transactions
Distributed Query
CLR
Service Broker
Spatial datatype*
Physical server or catalog DDL and views
*announced at Mix10 – Spatial Data Types will be supported soon

Constants
Constraints
Cursors
Index management and rebuilding indexes
Local temporary tables
Reserved keywords
Stored procedures
Statistics management
Transactions
Supported T-SQL (v1)
Triggers
Tables, joins, and table vars
T-SQL elements
Create/drop databases
Create/alter/drop tables
Create/alter/drop users and logins
Views

CLR
Database file placement
Database mirroring
Distributed queries
Distributed transactions
Filegroup management
Full Text Search
Unsupported T-SQL (v1)
Global temporary tables
Spatial data and indexes
SQL Server configuration options
SQL Server Service Broker
System tables
Trace Flags

Remove unsupported features, such as…
Migrating an existing schema
User Defined Data Types
Specifying Filegroups
Extended Properties
USE DATABASE
NOT FOR REPLICATION
Various Index options
Windows logins
Unsupported XML features
Indices need to be clustered
Full list at
http://www.microsoft.com/sqlserver/2008/en/us/R2.aspx

Generating, then modifying, the SQL DDL script
Loading in the data (bcp, etc…)
-OR-
SQL Azure Migration Wizard
http://sqlazuremw.codeplex.com
Demo – Data into the Cloud

SQL Azure Migration Wizard

What Could Go Wrong?

Progress!

Success!

Local and Cloud-Based

Simple Application – just change the connection string!
All compatibility requirements must be met (T-SQL) in the DDL
Create destination DB schema and populate with data
Firewall rules set up via SQL Azure portal (test connectivity)
Nothing to install, no SDK required!
Dem0 – SQL Azure application

Pricing
Web Edition
Business Edition
1 GB Database
$9.99 / month
Bandwidth
$0.10 /GB inbound
$0.15 /GB outbound
10GB Database
$99.99 / month
Bandwidth
$0.10 /GB inbound
$0.15 /GB outbound

SQL Azure and Windows Azure Storage Comparison
SQL Azure Tables
Fully structured
Strongly typed
Relational (RDMS)
Highly scalable
Windows Azure Tables
Semi-structured
Loosely typed
Non-Relational (Not RDMS)
Massively scalable

Added new Dynamic Management Views (DMVs)
Allows return of state information for health monitoring & performance tuning
sys.dm_exec_connections , _requests , _sessions, _tran_database_transactions, _active_transactions, _partition_stats
Added ability to move between Web or Business edition
ALTER DATABASE database_name { MODIFY (MAXSIZE = {1 | 10} GB) }
Increased idle session conn timeout (from 5 to 30 minutes)
Improves experience while using connection pooling and other interactive tools
Improved long running transaction algorithm
Allows import and export of much larger amounts of data without having to chunk your data
Recently Added (Feb 2010)

Addedavailability in 20 more countries (now 41 total)
Complete list here
Started with 21 countries, now doubled
Addedsupport for MARS
Simplifies the design process
Added support for ALTER (rename) Database
Adds features found in RDMS to SQL Azure
Included support in Visual Studio 2010 to manage SQL Azure
Allows direct management of SQL Azure databases via Server Explorer
Also found in SQL Server Management Studio
Added new labs feature - sandbox
https://www.sqlazurelabs.com/
Recently Added (April 2010)

SQL AzureOpportunities and Futures
Partitioned databases
Geo-location and geo-redundancy
Distributed query
Security w/AD, WLID, etc
Support for multiple levels of hardware and software isolation
BI features – SSRS, etc…

Windows Azure Platform –here
Windows Azure Platform Training Kit – here
MSDN Development Center – here
Team Blogs – SSDS and SQLAzure
Want to Know More?

Lynn Langit
Blog: http://blogs.msdn.com/SoCalDevGal
Twitter: @llangit
Contact Me

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SQL Azure April 2010

by Lynn Langit on Apr 20, 2010

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SQL Azure April 2010 — Presentation Transcript