SQL Server History
| Microsoft SQL Server | |
|---|---|
|
{{#if:Microsoft SQL Server logo.svg|150px}} |
|
| Developer | Microsoft |
| Released | {{#time:Y-m-d|1989-01-01}} |
| Latest release version | 2022 |
| Latest release date | {{#time:Y-m-d|2022-11-16}} |
| Operating system | Microsoft Windows, Linux, macOS |
| Genre | RDBMS |
| License | Proprietary commercial software |
| Website | Official website |
Microsoft SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications. These applications may run on the same computer or on another computer across a network.
History
Microsoft SQL Server has evolved significantly since its initial release in 1989. Below is a brief history of its development:
SQL Server 1.0 (1989)
The first version of SQL Server was developed for OS/2 in partnership with Sybase. It was released in 1989.
SQL Server 4.2 (1993)
SQL Server 4.2 was the first version for the Windows NT operating system, marking the transition to the Windows platform. This version was released in 1993.
SQL Server 6.0 (1995)
Released in 1995, SQL Server 6.0 was the first version developed entirely by Microsoft, without Sybase.
SQL Server 7.0 (1998)
In 1998, Microsoft released SQL Server 7.0, which featured a new database engine and improved user interface. This version marked a significant step towards a more modern RDBMS.
SQL Server 2000
Released in 2000, SQL Server 2000 introduced support for XML and HTTP, as well as new features like indexed views and user-defined functions.
SQL Server 2005
SQL Server 2005, released in 2005, included major enhancements such as the introduction of the SQL Server Management Studio (SSMS), integration services (SSIS), reporting services (SSRS), and analysis services (SSAS).
SQL Server 2008
SQL Server 2008 was released in 2008 with new features like data compression, resource governor, and transparent data encryption (TDE).
SQL Server 2012
Released in 2012, SQL Server 2012 introduced AlwaysOn Availability Groups, contained databases, and new T-SQL enhancements.
SQL Server 2014
SQL Server 2014, released in 2014, focused on in-memory capabilities with the introduction of In-Memory OLTP (Hekaton) and improved integration with Microsoft Azure.
SQL Server 2016
In 2016, SQL Server 2016 was released with features such as real-time operational analytics, in-database advanced analytics with R, and improved security features like Always Encrypted.
SQL Server 2017
SQL Server 2017 marked the first version to be available on Linux. Released in 2017, it included adaptive query processing and graph data support.
SQL Server 2019
SQL Server 2019, released in 2019, introduced big data clusters, enhanced PolyBase, and intelligent query processing.
SQL Server 2022
The latest version, SQL Server 2022, was released in November 2022. It features enhancements in cloud integration, data virtualization, and advanced security.
Features
SQL Server includes several key features across its versions:
- **Relational database engine** - Core component for data storage and retrieval.
- **SQL Server Management Studio (SSMS)** - Integrated environment for managing SQL infrastructure.
- **Integration Services (SSIS)** - Platform for data integration and workflow applications.
- **Reporting Services (SSRS)** - Tools for report generation and distribution.
- **Analysis Services (SSAS)** - Tools for data analysis and online analytical processing (OLAP).
- **AlwaysOn Availability Groups** - High availability and disaster recovery solution.
- **In-Memory OLTP** - Engine for high-performance, memory-optimized transaction processing.
- **PolyBase** - Technology to query big data.
Editions
SQL Server is available in multiple editions tailored for different needs:
- **Enterprise Edition** - Comprehensive data center capabilities with high performance.
- **Standard Edition** - Core database capabilities for medium-sized applications.
- **Express Edition** - Free, entry-level database suitable for small-scale applications.
- **Developer Edition** - Full-featured version free for development and testing.
- **Web Edition** - Low total cost of ownership for web hosting.
See Also
References
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