最佳答案SQL Server 2008 R2Introduction SQL Server 2008 R2 is a relational database management system developed by Microsoft. It is the successor to SQL Server 2008 and...
SQL Server 2008 R2
Introduction
SQL Server 2008 R2 is a relational database management system developed by Microsoft. It is the successor to SQL Server 2008 and was released in April 2010. This version of SQL Server introduced several new features and enhancements, making it a popular choice among database administrators and developers.
Key Features
SQL Server 2008 R2 introduced many new features that enhanced the functionality and performance of the database management system.
1. Master Data Services:
Master Data Services (MDS) is a feature introduced in SQL Server 2008 R2 that helps organizations manage and maintain their master data centrally. It allows for the creation of a master data model that defines the structure of the data and provides methods for managing and validating data integrity. MDS enables businesses to have a consistent view of their critical data across different systems.
2. PowerPivot for Excel:
PowerPivot for Excel is a data analysis tool that allows users to create powerful data models and perform complex analysis in Microsoft Excel. It leverages the in-memory capabilities of SQL Server 2008 R2 to provide fast and interactive data exploration and visualization. PowerPivot enables users to handle large datasets with ease and create visually stunning reports and dashboards.
3. StreamInsight:
StreamInsight is a complex event processing engine introduced in SQL Server 2008 R2. It enables real-time analytics on streaming data, such as stock market data, sensor data, or website clickstreams. StreamInsight allows businesses to gain insights from live data and make timely decisions based on the analysis of streaming events. It is a valuable tool for industries such as finance, healthcare, and e-commerce.
Enhancements
SQL Server 2008 R2 also included various enhancements that improved the performance, scalability, and manageability of the database management system.
1. Improved Reporting Services:
SQL Server 2008 R2 enhanced the reporting capabilities of the platform. It introduced features like sparklines, data bars, and indicators to create visually appealing reports. It also improved the scalability of the Reporting Services by introducing the ability to scale out to multiple report servers.
2. SQL Server PowerPivot for SharePoint:
SQL Server 2008 R2 integrated PowerPivot with SharePoint, allowing users to publish and share PowerPivot workbooks in a collaborative environment. This integration enabled users to access and interact with PowerPivot data through web-based dashboards and reports, enhancing collaboration and decision-making within organizations.
3. Enhanced Database Mirroring:
SQL Server 2008 R2 introduced enhancements to the database mirroring feature, such as the ability to compress the data sent between the mirror and the principal server, improving the performance and reducing network bandwidth requirements. It also introduced automatic Page Repair, which automatically detects and corrects any page corruption in the mirrored database.
Conclusion
SQL Server 2008 R2 brought significant improvements and new features to the SQL Server platform. The introduction of Master Data Services, PowerPivot for Excel, and StreamInsight empowered businesses with advanced data management and analysis capabilities. The enhancements to Reporting Services, integration of PowerPivot with SharePoint, and improvements in database mirroring further strengthened the overall performance and scalability of the database management system. SQL Server 2008 R2 continues to be a reliable and powerful solution for organizations worldwide.