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SQL Database

The intelligent relational cloud database service

Azure SQL Database is the intelligent, fully managed relational cloud database service that provides the broadest SQL Server engine compatibility, so you can migrate your SQL Server databases without changing your apps. Accelerate app development and make maintenance easy and productive using the SQL tools you love to use. Take advantage of built-in intelligence that learns app patterns and adapts to maximize performance, reliability, and data protection.

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Already using Azure? Try SQL Database now

Learn how to migrate to Azure with confidence. Watch the webcast

Migrate your SQL Server databases without changing your apps

SQL Database Managed Instance provides the broadest SQL Server engine compatibility and native virtual network (VNET) support so you can migrate your SQL Server databases to SQL Database Managed Instance without changing your apps. With Managed Instance, you can combine the rich SQL Server surface area with the operational and financial benefits of an intelligent, fully managed service. Managed Instance is your best destination when migrating a large number of existing SQL Server databases from on-premises or virtual machines to SQL Database.

Learn more about database migration paths to Azure

Tune and protect your database with built-in intelligence

SQL Database uses built-in intelligence that learns your unique database patterns and automatically tunes the database for improved performance and protection. Threat Detection monitors your database around-the-clock and detects potential malicious activities, alerting you upon detection so you can intervene right away.

Secure your app data and ensure availability

Build security-enhanced apps in the cloud with advanced built-in protection and security features that dynamically mask sensitive data and encrypt it at rest and in motion. Ensure high availability with three hot replicas and built-in automatic failover that guarantees a 99.99% availability SLA . Accelerate recovery from catastrophic failures and regional outages to an RPO of less than five seconds with active-geo replication. With physical and operational security, SQL Database helps you meet the most stringent regulatory compliances, such as ISO/IEC 27001/27002, Fed RAMP/FISMA, SOC, HIPPA, and PCI DSS.

Optimize performance for your workloads

When demand for your app grows from a handful of devices and customers to millions, SQL Database scales on the fly with minimal downtime . Additionally, SQL Database provides in-memory OLTP that improves throughput and latency on transactional processing workloads up to 30 times over traditional table and database engines, and delivers faster business insights with up to 100 times faster queries and reports over traditional row-oriented storage.

Learn more about intelligent performance optimization

Work in your preferred development environment

SQL Database allows you to focus on what you do best—building great apps. Seamlessly enable DevOps by developing in SQL Server containers and deploying in SQL Database with the easy-to-use tools you already have, such as Visual Studio and SQL Server Management Studio. Or, build your applications with Python, Java, Node.js, PHP, Ruby, and .NET on the MacOS, Linux, and Windows platforms, and deliver with the speed and efficiency your business demands.

Build multitenant apps with customer isolation and efficiency

If you’re a software as a service (SaaS) app developer writing a multitenant app that serves many customers, you often have to make tradeoffs in customer performance, efficiencies, and security. SQL Database removes the compromise, and helps you maximize your resource utilization and manage thousands of databases as one , while ensuring one-customer-per-database with elastic pools.

Interactive developer walkthrough: Build powerful transactional apps on a fully managed platform

Customers using SQL Database

  • CarMax
  • M Files
  • Asos
  • Umbraco
  • Snelstart
  • Csi
  • Aluvii
  • Quest
  • Stackify
  • gep
  • Quorum
  • Jet.com

What can you do with SQL Database?

Bulk data migrations

Importing and migrating bulk data from on premises or other cloud providers to SQL Database has never been easier. Use the power of Azure to transform unstructured and semi-structured flat files, or migrate an entire database schema directly into SQL Database to produce consumable data products for analytics, reporting, or intelligent applications.

Migrate SQL-based applications

Taking advantage of SQL Database end points for transaction replication allows applications to function seamlessly both on-premises and in Azure. Easily replicate data among multiple SQL Databases to enable isolation of mission-critical workloads from longer running analytics queries. By using Azure Data Sync and transactional replication, developers will be able to modernize applications in a tiered approach from on-premises to hybrid, and move fully to the cloud.

Process streaming data for application insights

Using Microsoft products or various open-source products running on the Azure platform, high velocity streaming data can be easily consumed, rationalized, and stored in SQL Database. These new data streams will help drive additional intelligence for applications, analytical insight, and operational reporting.

Simplify complex data landscapes

From serverless deployments and new data streams to the migration of existing data assets, simplifying your entire data estate is easy using the integrated services across Azure. Bring new data sources together with existing data in a seamless experience that provides customers with new insights and value.

Featured SQL Database resources

Choose the best deployment option for your needs. Read the e-book
Understand the steps to successful migration. Read the e-book
Maximize database performance at minimal cost. Read the e-book
Learn the business value of Azure SQL Database. Read the white paper

New to SQL Database?

Read about Azure SQL Database to see if our intelligent, fully-managed service is right for your applications , including multi-tenant SaaS or line of business app scenarios. Watch this brief video to see how you can have your first SQL Database up and running in minutes .

Just how easy is it?

Try it and see for yourself. Create your first SQL Database in Azure with your free Azure account .

Developer? We’ve got you covered.

Design your first SQL Database using popular tools and frameworks like SSMS and .NET . Connect to SQL Database using popular languages like C# , Node.js , and Python , and query your data using Transact-SQL statements.

Got a multi-tenant SaaS app?

Learn how to easily implement an SaaS app for hundreds—or thousands—of tenants in SQL Database.

Optimize your database.

Take the next steps to optimize performance using recommendations generated by SQL Database. Then, check out these other monitoring and performance tuning options .

Related products and services

SQL Server on Virtual Machines

Host enterprise SQL Server apps in the cloud

SQL Data Warehouse

Elastic data warehouse as a service with enterprise-class features

Data Factory

Hybrid data integration at enterprise scale, made easy

Learn more

  • Get started with SQL Database
  • How to deploy a database to Azure
  • Azure migration center
  • Guidelines for connecting to SQL Database
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Service updates

  • Public preview: Business Critical service tier in Azure SQL Database Managed Instance
    7/16/2018
  • More updates

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